# RigForce

> Engine parts supply information for distributors, repair shops and fleets worldwide. / Suministro de repuestos para distribuidores, talleres y flotas.

Product availability, fitment and commercial terms require confirmation. MCP requires verified, authorized access; discovery does not grant access. Customer queries, accounts, drafts, enquiries, files and unpublished articles are excluded.

## Published product references
- [Product sitemap](https://www.rigforcetech.com/sitemaps/catalog-index.xml): Published reference and product pages. Append /index.md to a canonical HTML page for its matching Markdown.
- [bearings](https://www.rigforcetech.com/en/parts/by-category/bearings/index.md)
- [bushings](https://www.rigforcetech.com/en/parts/by-category/bushings/index.md)
- [camshafts](https://www.rigforcetech.com/en/parts/by-category/camshafts/index.md)
- [circlips](https://www.rigforcetech.com/en/parts/by-category/circlips/index.md)
- [connecting-rods](https://www.rigforcetech.com/en/parts/by-category/connecting-rods/index.md)
- [coolers](https://www.rigforcetech.com/en/parts/by-category/coolers/index.md)
- [crankshafts](https://www.rigforcetech.com/en/parts/by-category/crankshafts/index.md)
- [cylinder-head-gaskets](https://www.rigforcetech.com/en/parts/by-category/cylinder-head-gaskets/index.md)
- [cylinder-heads](https://www.rigforcetech.com/en/parts/by-category/cylinder-heads/index.md)
- [cylinder-liners](https://www.rigforcetech.com/en/parts/by-category/cylinder-liners/index.md)
- [engine-blocks](https://www.rigforcetech.com/en/parts/by-category/engine-blocks/index.md)
- [oil-pumps](https://www.rigforcetech.com/en/parts/by-category/oil-pumps/index.md)
- [piston-rings](https://www.rigforcetech.com/en/parts/by-category/piston-rings/index.md)
- [pistons](https://www.rigforcetech.com/en/parts/by-category/pistons/index.md)
- [seals](https://www.rigforcetech.com/en/parts/by-category/seals/index.md)
- [thermostats](https://www.rigforcetech.com/en/parts/by-category/thermostats/index.md)
- [thrust-washers](https://www.rigforcetech.com/en/parts/by-category/thrust-washers/index.md)
- [turbochargers](https://www.rigforcetech.com/en/parts/by-category/turbochargers/index.md)
- [valve-guides](https://www.rigforcetech.com/en/parts/by-category/valve-guides/index.md)
- [valve-seats](https://www.rigforcetech.com/en/parts/by-category/valve-seats/index.md)
- [valves](https://www.rigforcetech.com/en/parts/by-category/valves/index.md)
- [water-pumps](https://www.rigforcetech.com/en/parts/by-category/water-pumps/index.md)

## English

### Company and supply
- [Privacy Policy](https://www.rigforcetech.com/en/legal/privacy/index.md): This policy explains how RigForce Industrial Co., Ltd. handles information when you browse our website, search for parts, send an enquiry or contact us about an order.
- [Cookie Policy](https://www.rigforcetech.com/en/legal/cookies/index.md): This policy explains the cookies and browser storage used by RigForce, the difference between website functions and optional analytics, and how to manage your choices.
- [After-sales Policy](https://www.rigforcetech.com/en/legal/after-sales-policy/index.md): We support returns for engine parts orders. Contact us first so we can review the issue and confirm the return arrangements. This policy explains how to report an issue, prepare the information we need and agree the next steps.
- [Shipping Policy](https://www.rigforcetech.com/en/legal/shipping-policy/index.md): We support express courier delivery for engine parts orders. The shipping method, destination, costs and estimated timing are confirmed in your quotation or order documents.
- [Engine Applications](https://www.rigforcetech.com/en/engine-brands/index.md): Engine applications
- [Engine Parts for Distributors, Repair Shops and Fleets.](https://www.rigforcetech.com/en/index.md): Engine parts
- [Contact RigForce](https://www.rigforcetech.com/en/contact/index.md): Talk to us about engine parts, supply cooperation or an existing order.
- [About RigForce](https://www.rigforcetech.com/en/about/index.md): Engine parts for your business.
- [Engine Parts Quality & Inspection](https://www.rigforcetech.com/en/quality/index.md): Inspection · Documentation · Packing & Supply
- [Wholesale Engine Parts for Your Business](https://www.rigforcetech.com/en/dealers/index.md): Parts Supply
- [Replacement Parts for Cummins Engines](https://www.rigforcetech.com/en/engine-brands/cummins/index.md): Engine Applications
- [Cummins 4BT Engine Parts](https://www.rigforcetech.com/en/engine-brands/cummins/4bt/index.md): Engine Applications
- [Cummins 6BT Engine Parts](https://www.rigforcetech.com/en/engine-brands/cummins/6bt/index.md): Engine Applications
- [Replacement Parts for Perkins Engines](https://www.rigforcetech.com/en/engine-brands/perkins/index.md): Engine Applications
- [Caterpillar Engine Parts](https://www.rigforcetech.com/en/engine-brands/caterpillar/index.md): Engine Applications
- [Isuzu Engine Parts](https://www.rigforcetech.com/en/engine-brands/isuzu/index.md): Engine Applications
- [Komatsu Engine Parts](https://www.rigforcetech.com/en/engine-brands/komatsu/index.md): Engine Applications
- [Volvo Engine Parts](https://www.rigforcetech.com/en/engine-brands/volvo/index.md): Engine Applications
- [Deutz Engine Parts](https://www.rigforcetech.com/en/engine-brands/deutz/index.md): Engine Applications

### Product range
- [Our Engine Parts Range](https://www.rigforcetech.com/en/products/index.md): RigForce supplies 22 categories of engine components, from pistons, cylinder liners and piston rings to bearings, pumps and cylinder heads. Browse the category you need for resale, engine rebuilding or fleet maintenance, and combine related
- [Engine Pistons](https://www.rigforcetech.com/en/products/pistons/index.md): RigForce supplies aluminium and steel engine pistons for distributors and engine rebuilders, including monobloc, welded and composite designs. Send the engine or piston reference to confirm construction, standard or repair size, and any rin
- [Cylinder Liners](https://www.rigforcetech.com/en/products/cylinder-liners/index.md): RigForce supplies dry, wet, top-ring wet and air-cooled cylinder liners for engine repairs and stock replenishment. Send the engine reference, bore and flange details to identify the liner, and specify any seals or top rings required in the
- [Piston Rings](https://www.rigforcetech.com/en/products/piston-rings/index.md): RigForce supplies engine piston rings as individual rings, one-cylinder packs or defined engine sets. Match the ring positions and standard or repair-size designation to your piston reference, and state whether quantities refer to rings, pa
- [Engine Bearings](https://www.rigforcetech.com/en/products/bearings/index.md): RigForce supplies main and connecting-rod bearing shells for engine rebuilds and dealer stock. Share the engine reference, bearing position and standard or repair size. Individual shells, pairs and engine sets are quoted with their contents
- [Engine Oil Pumps](https://www.rigforcetech.com/en/products/oil-pumps/index.md): Source replacement engine oil pumps through RigForce for dealer stock and workshop repairs. We support reference matching, mixed orders and smaller quantities, with availability and supplied components confirmed in your quotation.
- [Engine Water Pumps](https://www.rigforcetech.com/en/products/water-pumps/index.md): RigForce supplies replacement engine water pumps for dealers and repair shops, with engineering support and a multilingual sales team. Confirm the pump reference, drive and coolant connections, and include any housing, pulley, seals or gask
- [Connecting Rods](https://www.rigforcetech.com/en/products/connecting-rods/index.md): Source connecting rods as matched rod-and-cap assemblies, with help confirming the engine reference and included components. RigForce makes it clear whether bushings, bearing shells and fasteners belong in your quoted supply.
- [Crankshafts](https://www.rigforcetech.com/en/products/crankshafts/index.md): Source crankshafts with the journal size and engine variant clearly identified. RigForce helps coordinate the crankshaft and bearing references, while making any included gears, plugs or keys explicit in the quotation.
- [Engine Bushings](https://www.rigforcetech.com/en/products/bushings/index.md): Source engine bushings for a specified installation position, with help identifying the reference and supplied finishing condition. RigForce can coordinate individual bushing requirements or include them in mixed orders for engine parts.
- [Engine Thrust Washers](https://www.rigforcetech.com/en/products/thrust-washers/index.md): Source engine thrust washers as individual segments, pairs or specified sets. RigForce helps identify the position and thickness designation, so the quoted parts and quantities reflect the engine reference you need.
- [Engine Circlips](https://www.rigforcetech.com/en/products/circlips/index.md): Source engine circlips for the component and retaining position you need. RigForce helps distinguish internal, external and application-specific forms, with quantities quoted as individual pieces to make the order contents clear.
- [Cylinder Heads](https://www.rigforcetech.com/en/products/cylinder-heads/index.md): RigForce supplies bare and assembled cylinder heads for engine repair and resale. Send the engine and head references, plus the valve or cam components you need. Each quotation defines the assembly contents; a casting mark alone may not ide
- [Engine Valves](https://www.rigforcetech.com/en/products/valves/index.md): Source engine intake and exhaust valves with each position identified separately. RigForce helps confirm the valve reference and can coordinate related guides, seats, keepers and springs as clearly specified parts of your enquiry.
- [Camshafts](https://www.rigforcetech.com/en/products/camshafts/index.md): Source camshafts for a defined engine and shaft position, with help distinguishing journal, lobe and drive-end variants. RigForce clarifies whether your quote covers the shaft alone or specified associated components.
- [Valve Guides](https://www.rigforcetech.com/en/products/valve-guides/index.md): Source valve guides for the specified intake or exhaust position, with help confirming the reference and supplied condition. RigForce coordinates guide requirements alongside other valve components when needed for your order.
- [Engine Valve Seat Rings](https://www.rigforcetech.com/en/products/valve-seats/index.md): Source engine valve seat rings for the specified intake or exhaust position. RigForce helps confirm the reference, material and finishing condition, with quotations distinguishing individual rings from sets with clearly defined contents.
- [Cylinder Head Gaskets](https://www.rigforcetech.com/en/products/cylinder-head-gaskets/index.md): Source cylinder head gaskets individually or within a clearly itemised gasket set. RigForce helps identify thickness designations and opening patterns against the engine specification, so the quoted reference matches the repair requirement.
- [Engine Oil Seals](https://www.rigforcetech.com/en/products/oil-seals/index.md): Source individual engine oil seals or defined seal-and-housing assemblies, with help identifying the installation position. RigForce checks the reference beyond basic dimensions and makes the quoted assembly contents clear.
- [Engine Thermostats](https://www.rigforcetech.com/en/products/thermostats/index.md): Source engine thermostat inserts or defined housing assemblies, with help confirming the relevant rating and fit. RigForce clarifies the supplied unit and any included seals or fasteners against the product reference.
- [Engine Coolers](https://www.rigforcetech.com/en/products/coolers/index.md): Source oil, charge-air, fuel and EGR coolers through one enquiry. RigForce helps identify the correct circuit and connection arrangement, with core-only or housing-assembly supply defined against the product reference.
- [Turbochargers](https://www.rigforcetech.com/en/products/turbochargers/index.md): Source complete turbochargers or specified components against the unit reference. RigForce helps identify the housing, connection and actuator configuration, with any installation parts clearly included or excluded in the quotation.
- [Engine Blocks](https://www.rigforcetech.com/en/products/engine-blocks/index.md): Source engine blocks with the machining and supply condition clearly defined. RigForce helps identify the block reference and clarify included liners, main caps or plugs, giving you a clear basis for ordering.

### Buying guide and AI access
- [Preparing Your](https://www.rigforcetech.com/en/resources/faq/index.md): Buying Guide
- [Find engine parts.](https://www.rigforcetech.com/en/resources/mcp/index.md): AI & MCP Access
- [Search instructions](https://www.rigforcetech.com/en/search/index.md): Instructions only; no customer results.
- [Enquiry instructions](https://www.rigforcetech.com/en/rfq/index.md): Instructions only; no customer drafts.

## Español

### Empresa y suministro
- [Política de privacidad](https://www.rigforcetech.com/es/legal/privacy/index.md): Esta política explica cómo RigForce Industrial Co., Ltd. trata la información cuando visita el sitio, busca repuestos, envía una consulta o nos contacta sobre un pedido.
- [Política de cookies](https://www.rigforcetech.com/es/legal/cookies/index.md): Esta política explica las cookies y el almacenamiento del navegador que utiliza RigForce, la diferencia entre funciones del sitio y analítica opcional, y cómo gestionar sus preferencias.
- [Política de posventa](https://www.rigforcetech.com/es/legal/after-sales-policy/index.md): Admitimos devoluciones de pedidos de repuestos. Contáctenos primero para revisar el caso y confirmar los términos de devolución. Aquí explicamos cómo informar un problema, preparar la información y acordar los siguientes pasos.
- [Política de envíos](https://www.rigforcetech.com/es/legal/shipping-policy/index.md): Ofrecemos envío por mensajería exprés para pedidos de repuestos. El método, destino, costos y plazos estimados se confirman en la cotización o los documentos del pedido.
- [Aplicaciones de motor](https://www.rigforcetech.com/es/engine-brands/index.md): Aplicaciones de motor
- [Repuestos de motor para distribuidores, talleres y flotas.](https://www.rigforcetech.com/es/index.md): Repuestos para motores
- [Contactar a RigForce](https://www.rigforcetech.com/es/contact/index.md): Conversemos sobre repuestos, cooperación de suministro o un pedido existente.
- [Acerca de RigForce](https://www.rigforcetech.com/es/about/index.md): Repuestos para su negocio.
- [Calidad e inspección de repuestos](https://www.rigforcetech.com/es/quality/index.md): Inspección · Documentos · Embalaje y suministro
- [Repuestos para motores al por mayor para su negocio](https://www.rigforcetech.com/es/dealers/index.md): Suministro de repuestos
- [Refacciones para motores Cummins](https://www.rigforcetech.com/es/engine-brands/cummins/index.md): Aplicaciones de motor
- [Repuestos para motor Cummins 4BT](https://www.rigforcetech.com/es/engine-brands/cummins/4bt/index.md): Aplicaciones de motor
- [Repuestos para motor Cummins 6BT](https://www.rigforcetech.com/es/engine-brands/cummins/6bt/index.md): Aplicaciones de motor
- [Repuestos para motores Perkins](https://www.rigforcetech.com/es/engine-brands/perkins/index.md): Aplicaciones de motor
- [Repuestos para motores Caterpillar](https://www.rigforcetech.com/es/engine-brands/caterpillar/index.md): Aplicaciones de motor
- [Repuestos para motores Isuzu](https://www.rigforcetech.com/es/engine-brands/isuzu/index.md): Aplicaciones de motor
- [Repuestos para motores Komatsu](https://www.rigforcetech.com/es/engine-brands/komatsu/index.md): Aplicaciones de motor
- [Repuestos para motores Volvo](https://www.rigforcetech.com/es/engine-brands/volvo/index.md): Aplicaciones de motor
- [Repuestos para motores Deutz](https://www.rigforcetech.com/es/engine-brands/deutz/index.md): Aplicaciones de motor

### Repuestos
- [Nuestra gama de repuestos para motores](https://www.rigforcetech.com/es/products/index.md): RigForce suministra 22 categorías de repuestos para motores, también conocidos como refacciones: pistones, camisas, anillos, cojinetes, bombas, culatas y más. Consulte la categoría que necesita para reventa, reconstrucción o mantenimiento d
- [Pistones de motor](https://www.rigforcetech.com/es/products/pistons/index.md): RigForce suministra pistones de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de aluminio y acero; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de suministro.
- [Camisas de motor](https://www.rigforcetech.com/es/products/cylinder-liners/index.md): RigForce suministra camisas de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de secas, húmedas y refrigeradas por aire; envíe la referencia o los datos del motor para confirmar la pieza y las condicione
- [Anillos de pistón para motores](https://www.rigforcetech.com/es/products/piston-rings/index.md): RigForce suministra anillos de pistón a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de aros estándar y de reparación; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sum
- [Cojinetes de motor](https://www.rigforcetech.com/es/products/bearings/index.md): RigForce suministra cojinetes de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de metales de biela y bancada; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sumin
- [Bombas de aceite de motor](https://www.rigforcetech.com/es/products/oil-pumps/index.md): RigForce suministra bombas de aceite de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de lubricación del motor; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sum
- [Bombas de agua de motor](https://www.rigforcetech.com/es/products/water-pumps/index.md): RigForce suministra bombas de agua de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de refrigeración del motor; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sum
- [Bielas para motores](https://www.rigforcetech.com/es/products/connecting-rods/index.md): RigForce suministra bielas a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de conjuntos y componentes asociados; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de suministro
- [Cigüeñales para motores](https://www.rigforcetech.com/es/products/crankshafts/index.md): RigForce suministra cigüeñales a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de medidas de muñones y referencias; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de suminis
- [Bujes de biela para motores](https://www.rigforcetech.com/es/products/bushings/index.md): RigForce suministra bujes de biela a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de posición, dimensiones y acabado; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sumi
- [Arandelas de empuje para motores](https://www.rigforcetech.com/es/products/thrust-washers/index.md): RigForce suministra arandelas de empuje a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de segmentos, pares y juegos; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sumin
- [Anillos de retención para motores](https://www.rigforcetech.com/es/products/circlips/index.md): RigForce suministra anillos de retención a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de seguros de pistón y anillos de retención; envíe la referencia o los datos del motor para confirmar la pieza y las cond
- [Culatas y cabezas de motor](https://www.rigforcetech.com/es/products/cylinder-heads/index.md): RigForce suministra culatas y cabezas de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de culatas desnudas y conjuntos definidos; envíe la referencia o los datos del motor para confirmar la pieza y las 
- [Válvulas para motores](https://www.rigforcetech.com/es/products/valves/index.md): RigForce suministra válvulas a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de admisión y escape; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de suministro.
- [Árboles de levas para motores](https://www.rigforcetech.com/es/products/camshafts/index.md): RigForce suministra árboles de levas a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de variantes y componentes de accionamiento; envíe la referencia o los datos del motor para confirmar la pieza y las condicio
- [Guías de válvula para motores](https://www.rigforcetech.com/es/products/valve-guides/index.md): RigForce suministra guías de válvula a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de admisión, escape y acabado; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de suminis
- [Asientos de válvula para motores](https://www.rigforcetech.com/es/products/valve-seats/index.md): RigForce suministra asientos de válvula a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de anillos individuales y juegos; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de s
- [Juntas de culata para motores](https://www.rigforcetech.com/es/products/cylinder-head-gaskets/index.md): RigForce suministra juntas de culata a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de juntas individuales y juegos; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sumin
- [Retenes de aceite para motores](https://www.rigforcetech.com/es/products/oil-seals/index.md): RigForce suministra retenes de aceite a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de sellos individuales y conjuntos con carcasa; envíe la referencia o los datos del motor para confirmar la pieza y las cond
- [Termostatos para motores](https://www.rigforcetech.com/es/products/thermostats/index.md): RigForce suministra termostatos a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de insertos y conjuntos con carcasa; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de sumini
- [Enfriadores para motores](https://www.rigforcetech.com/es/products/coolers/index.md): RigForce suministra enfriadores a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de aceite, aire de carga, combustible y EGR; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones d
- [Turbocompresores para motores](https://www.rigforcetech.com/es/products/turbochargers/index.md): RigForce suministra turbocompresores a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de unidades, componentes y actuadores; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones de
- [Bloques de motor](https://www.rigforcetech.com/es/products/engine-blocks/index.md): RigForce suministra bloques de motor a distribuidores, talleres y empresas que mantienen flotas. Consulte opciones de referencia y condición de suministro; envíe la referencia o los datos del motor para confirmar la pieza y las condiciones 

### Guía de compra y acceso a IA
- [Prepare su consulta](https://www.rigforcetech.com/es/resources/faq/index.md): Guía de compra
- [Busque repuestos.](https://www.rigforcetech.com/es/resources/mcp/index.md): Acceso con IA y MCP
- [Instrucciones de búsqueda](https://www.rigforcetech.com/es/search/index.md): Solo instrucciones; sin resultados del cliente.
- [Instrucciones de consulta](https://www.rigforcetech.com/es/rfq/index.md): Solo instrucciones; sin borradores del cliente.

## Português

### Empresa e fornecimento
- [Política de privacidade](https://www.rigforcetech.com/pt/legal/privacy/index.md): Esta política explica como a RigForce Industrial Co., Ltd. trata informações quando você visita o site, busca peças, envia uma consulta ou entra em contato sobre um pedido.
- [Política de cookies](https://www.rigforcetech.com/pt/legal/cookies/index.md): Esta política explica os cookies e o armazenamento do navegador usados pela RigForce, a diferença entre funções do site e análise opcional e como gerenciar suas escolhas.
- [Política de pós-venda](https://www.rigforcetech.com/pt/legal/after-sales-policy/index.md): Aceitamos devoluções de pedidos de peças de motor. Entre em contato primeiro para analisarmos o caso e confirmarmos as condições de devolução. Esta política explica como informar um problema, reunir os dados necessários e combinar os próxim
- [Política de envio](https://www.rigforcetech.com/pt/legal/shipping-policy/index.md): Oferecemos envio expresso para pedidos de peças de motor. O método, o destino, os custos e os prazos estimados são confirmados na cotação ou nos documentos do pedido.
- [Aplicações em motores](https://www.rigforcetech.com/pt/engine-brands/index.md): Aplicações em motores
- [Peças de motor para distribuidores, oficinas e frotas.](https://www.rigforcetech.com/pt/index.md): Peças de motor
- [Fale com a RigForce](https://www.rigforcetech.com/pt/contact/index.md): Fale conosco sobre peças para motores, cooperação de fornecimento ou um pedido existente.
- [Sobre a RigForce](https://www.rigforcetech.com/pt/about/index.md): Peças para o seu negócio.
- [Qualidade e inspeção de peças para motores](https://www.rigforcetech.com/pt/quality/index.md): Inspeção · Documentação · Embalagem e fornecimento
- [Peças para motores no atacado para seu negócio](https://www.rigforcetech.com/pt/dealers/index.md): Fornecimento de peças
- [Peças para motores Cummins](https://www.rigforcetech.com/pt/engine-brands/cummins/index.md): Aplicações de motores
- [Peças para motor Cummins 4BT](https://www.rigforcetech.com/pt/engine-brands/cummins/4bt/index.md): Aplicações de motores
- [Peças para motor Cummins 6BT](https://www.rigforcetech.com/pt/engine-brands/cummins/6bt/index.md): Aplicações de motores
- [Peças para motores Perkins](https://www.rigforcetech.com/pt/engine-brands/perkins/index.md): Aplicações de motores
- [Peças para motores Caterpillar](https://www.rigforcetech.com/pt/engine-brands/caterpillar/index.md): Aplicações de motores
- [Peças para motores Isuzu](https://www.rigforcetech.com/pt/engine-brands/isuzu/index.md): Aplicações de motores
- [Peças para motores Komatsu](https://www.rigforcetech.com/pt/engine-brands/komatsu/index.md): Aplicações de motores
- [Peças para motores Volvo](https://www.rigforcetech.com/pt/engine-brands/volvo/index.md): Aplicações de motores
- [Peças para motores Deutz](https://www.rigforcetech.com/pt/engine-brands/deutz/index.md): Aplicações de motores

### Peças
- [Nossa linha de peças para motores](https://www.rigforcetech.com/pt/products/index.md): A RigForce fornece 22 categorias de componentes para motores, de pistões, camisas e anéis a bronzinas, bombas e cabeçotes. Consulte a categoria necessária para revenda, retífica ou manutenção de frotas e reúna peças relacionadas em uma cons
- [Pistões de motor](https://www.rigforcetech.com/pt/products/pistons/index.md): A RigForce fornece pistões de motor para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de alumínio e aço; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Camisas de cilindro para motores](https://www.rigforcetech.com/pt/products/cylinder-liners/index.md): A RigForce fornece camisas de cilindro para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de secas, úmidas e arrefecidas a ar; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecim
- [Anéis de pistão para motores](https://www.rigforcetech.com/pt/products/piston-rings/index.md): A RigForce fornece anéis de pistão para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de medidas padrão e de reparo; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Bronzinas de motor](https://www.rigforcetech.com/pt/products/bearings/index.md): A RigForce fornece bronzinas de motor para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de bronzinas de biela e de mancal; envie a referência ou os dados do motor para confirmar a peça e as condições de forneciment
- [Bombas de óleo de motor](https://www.rigforcetech.com/pt/products/oil-pumps/index.md): A RigForce fornece bombas de óleo de motor para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de lubrificação do motor; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Bombas de água de motor](https://www.rigforcetech.com/pt/products/water-pumps/index.md): A RigForce fornece bombas de água de motor para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de arrefecimento do motor; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Bielas para motores](https://www.rigforcetech.com/pt/products/connecting-rods/index.md): A RigForce fornece bielas para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de conjuntos e componentes associados; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Virabrequins para motores](https://www.rigforcetech.com/pt/products/crankshafts/index.md): A RigForce fornece virabrequins para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de referências e medidas dos munhões; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Buchas de biela para motores](https://www.rigforcetech.com/pt/products/bushings/index.md): A RigForce fornece buchas de biela para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de posição, dimensões e acabamento; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Arruelas de encosto para motores](https://www.rigforcetech.com/pt/products/thrust-washers/index.md): A RigForce fornece arruelas de encosto para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de segmentos, pares e jogos; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Anéis de retenção para motores](https://www.rigforcetech.com/pt/products/circlips/index.md): A RigForce fornece anéis de retenção para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de travas internas e externas; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Cabeçotes para motores](https://www.rigforcetech.com/pt/products/cylinder-heads/index.md): A RigForce fornece cabeçotes para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de sem componentes ou montados; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Válvulas para motores](https://www.rigforcetech.com/pt/products/valves/index.md): A RigForce fornece válvulas para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de admissão e escape; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Comandos de válvulas para motores](https://www.rigforcetech.com/pt/products/camshafts/index.md): A RigForce fornece comandos de válvulas para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de variantes e componentes de acionamento; envie a referência ou os dados do motor para confirmar a peça e as condições de f
- [Guias de válvula para motores](https://www.rigforcetech.com/pt/products/valve-guides/index.md): A RigForce fornece guias de válvula para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de admissão, escape e acabamento; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Sedes de válvula para motores](https://www.rigforcetech.com/pt/products/valve-seats/index.md): A RigForce fornece sedes de válvula para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de anéis individuais e jogos; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Juntas de cabeçote para motores](https://www.rigforcetech.com/pt/products/cylinder-head-gaskets/index.md): A RigForce fornece juntas de cabeçote para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de juntas individuais e jogos; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecimento.
- [Retentores de óleo para motores](https://www.rigforcetech.com/pt/products/oil-seals/index.md): A RigForce fornece retentores de óleo para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de peças individuais e conjuntos com carcaça; envie a referência ou os dados do motor para confirmar a peça e as condições de 
- [Válvulas termostáticas para motores](https://www.rigforcetech.com/pt/products/thermostats/index.md): A RigForce fornece válvulas termostáticas para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de elementos e conjuntos com carcaça; envie a referência ou os dados do motor para confirmar a peça e as condições de forn
- [Resfriadores para motores](https://www.rigforcetech.com/pt/products/coolers/index.md): A RigForce fornece resfriadores para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de óleo, ar de admissão, combustível e EGR; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecim
- [Turbocompressores para motores](https://www.rigforcetech.com/pt/products/turbochargers/index.md): A RigForce fornece turbocompressores para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de unidades, componentes e atuadores; envie a referência ou os dados do motor para confirmar a peça e as condições de fornecime
- [Blocos de motor](https://www.rigforcetech.com/pt/products/engine-blocks/index.md): A RigForce fornece blocos de motor para distribuidores, oficinas e empresas que mantêm frotas. Consulte opções de referência e condição de fornecimento; envie a referência ou os dados do motor para confirmar a peça e as condições de forneci

### Guia de compra e acesso à IA
- [Prepare sua consulta](https://www.rigforcetech.com/pt/resources/faq/index.md): Guia de compra
- [Encontre peças para motores.](https://www.rigforcetech.com/pt/resources/mcp/index.md): Acesso por IA e MCP
- [Instruções de busca](https://www.rigforcetech.com/pt/search/index.md): Apenas instruções; sem resultados do cliente.
- [Instruções de consulta](https://www.rigforcetech.com/pt/rfq/index.md): Apenas instruções; sem rascunhos do cliente.

## Français

### Entreprise et approvisionnement
- [Politique de confidentialité](https://www.rigforcetech.com/fr/legal/privacy/index.md): Cette politique explique comment RigForce Industrial Co., Ltd. traite les informations lorsque vous consultez notre site, recherchez des pièces, envoyez une demande ou nous contactez au sujet d’une commande.
- [Politique relative aux cookies](https://www.rigforcetech.com/fr/legal/cookies/index.md): Cette politique explique les cookies et le stockage du navigateur utilisés par RigForce, la distinction entre les fonctions du site et la mesure d’audience facultative, et la gestion de vos choix.
- [Politique après-vente](https://www.rigforcetech.com/fr/legal/after-sales-policy/index.md): Nous accompagnons les retours de pièces moteur. Contactez-nous d’abord pour examiner le problème et confirmer les modalités. Cette politique décrit le signalement, les informations à préparer et les étapes à convenir.
- [Politique d’expédition](https://www.rigforcetech.com/fr/legal/shipping-policy/index.md): Nous proposons la livraison express pour les commandes de pièces moteur. Le mode de transport, la destination, les frais et le délai estimatif sont confirmés dans votre devis ou vos documents de commande.
- [Applications moteurs](https://www.rigforcetech.com/fr/engine-brands/index.md): Applications moteur
- [Pièces moteur pour distributeurs, ateliers et flottes.](https://www.rigforcetech.com/fr/index.md): Pièces moteur
- [Contacter RigForce](https://www.rigforcetech.com/fr/contact/index.md): Échangeons sur vos pièces moteur, votre approvisionnement ou une commande existante.
- [À propos de RigForce](https://www.rigforcetech.com/fr/about/index.md): Des pièces moteur pour votre activité.
- [Qualité et inspection des pièces moteur](https://www.rigforcetech.com/fr/quality/index.md): Inspection · Documentation · Emballage et fourniture
- [Pièces moteur en gros pour votre activité](https://www.rigforcetech.com/fr/dealers/index.md): Fourniture de pièces
- [Pièces de rechange pour moteurs Perkins](https://www.rigforcetech.com/fr/engine-brands/perkins/index.md): Applications moteurs
- [Pièces pour moteurs Cummins](https://www.rigforcetech.com/fr/engine-brands/cummins/index.md): Applications moteurs
- [Pièces pour moteur Cummins 4BT](https://www.rigforcetech.com/fr/engine-brands/cummins/4bt/index.md): Applications moteurs
- [Pièces pour moteur Cummins 6BT](https://www.rigforcetech.com/fr/engine-brands/cummins/6bt/index.md): Applications moteurs
- [Pièces pour moteurs Caterpillar](https://www.rigforcetech.com/fr/engine-brands/caterpillar/index.md): Applications moteurs
- [Pièces pour moteurs Isuzu](https://www.rigforcetech.com/fr/engine-brands/isuzu/index.md): Applications moteurs
- [Pièces pour moteurs Komatsu](https://www.rigforcetech.com/fr/engine-brands/komatsu/index.md): Applications moteurs
- [Pièces pour moteurs Volvo](https://www.rigforcetech.com/fr/engine-brands/volvo/index.md): Applications moteurs
- [Pièces pour moteurs Deutz](https://www.rigforcetech.com/fr/engine-brands/deutz/index.md): Applications moteurs

### Pièces moteur
- [Notre gamme de pièces moteur](https://www.rigforcetech.com/fr/products/index.md): RigForce fournit 22 catégories de pièces moteur, des pistons, chemises et segments aux coussinets, pompes et culasses. Choisissez les pièces destinées à la revente, à la réfection moteur ou à l’entretien des flottes et regroupez-les dans un
- [Pistons moteur](https://www.rigforcetech.com/fr/products/pistons/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en pistons moteur — aluminium et acier — envoyez la référence ou les informations moteur afin de confirmer le produit et les co
- [Chemises moteur](https://www.rigforcetech.com/fr/products/cylinder-liners/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en chemises moteur — sèches, humides et refroidies par air — envoyez la référence ou les informations moteur afin de confirmer 
- [Segments de piston](https://www.rigforcetech.com/fr/products/piston-rings/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en segments de piston — cotes standard et réparation — envoyez la référence ou les informations moteur afin de confirmer le pro
- [Coussinets moteur](https://www.rigforcetech.com/fr/products/bearings/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en coussinets moteur — coussinets de bielle et de vilebrequin — envoyez la référence ou les informations moteur afin de confirm
- [Pompes à huile moteur](https://www.rigforcetech.com/fr/products/oil-pumps/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en pompes à huile moteur — lubrification du moteur — envoyez la référence ou les informations moteur afin de confirmer le produ
- [Pompes à eau moteur](https://www.rigforcetech.com/fr/products/water-pumps/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en pompes à eau moteur — refroidissement du moteur — envoyez la référence ou les informations moteur afin de confirmer le produ
- [Bielles](https://www.rigforcetech.com/fr/products/connecting-rods/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en bielles — ensembles appariés et composants associés — envoyez la référence ou les informations moteur afin de confirmer le p
- [Vilebrequins](https://www.rigforcetech.com/fr/products/crankshafts/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en vilebrequins — références et cotes des portées — envoyez la référence ou les informations moteur afin de confirmer le produi
- [Bagues](https://www.rigforcetech.com/fr/products/bushings/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en bagues — position, dimensions et état de finition — envoyez la référence ou les informations moteur afin de confirmer le pro
- [Cales de jeu axial](https://www.rigforcetech.com/fr/products/thrust-washers/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en cales de jeu axial — demi-cales, paires et jeux — envoyez la référence ou les informations moteur afin de confirmer le produ
- [Circlips](https://www.rigforcetech.com/fr/products/circlips/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en circlips — anneaux intérieurs et extérieurs — envoyez la référence ou les informations moteur afin de confirmer le produit e
- [Culasses](https://www.rigforcetech.com/fr/products/cylinder-heads/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en culasses — nues ou assemblées — envoyez la référence ou les informations moteur afin de confirmer le produit et les conditio
- [Soupapes](https://www.rigforcetech.com/fr/products/valves/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en soupapes — admission et échappement — envoyez la référence ou les informations moteur afin de confirmer le produit et les co
- [Arbres à cames](https://www.rigforcetech.com/fr/products/camshafts/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en arbres à cames — variantes et composants d’entraînement — envoyez la référence ou les informations moteur afin de confirmer 
- [Guides de soupape](https://www.rigforcetech.com/fr/products/valve-guides/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en guides de soupape — admission, échappement et finition — envoyez la référence ou les informations moteur afin de confirmer l
- [Sièges de soupape](https://www.rigforcetech.com/fr/products/valve-seats/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en sièges de soupape — anneaux individuels et jeux — envoyez la référence ou les informations moteur afin de confirmer le produ
- [Joints de culasse](https://www.rigforcetech.com/fr/products/cylinder-head-gaskets/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en joints de culasse — joints individuels et jeux détaillés — envoyez la référence ou les informations moteur afin de confirmer
- [Joints d’étanchéité d’huile](https://www.rigforcetech.com/fr/products/oil-seals/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en joints d’étanchéité d’huile — joints individuels et ensembles avec carter — envoyez la référence ou les informations moteur 
- [Thermostats](https://www.rigforcetech.com/fr/products/thermostats/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en thermostats — éléments thermostatiques et boîtiers — envoyez la référence ou les informations moteur afin de confirmer le pr
- [Échangeurs thermiques](https://www.rigforcetech.com/fr/products/coolers/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en échangeurs thermiques — huile, air de suralimentation, carburant et EGR — envoyez la référence ou les informations moteur af
- [Turbocompresseurs](https://www.rigforcetech.com/fr/products/turbochargers/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en turbocompresseurs — ensembles complets et composants spécifiés — envoyez la référence ou les informations moteur afin de con
- [Blocs moteur](https://www.rigforcetech.com/fr/products/engine-blocks/index.md): RigForce fournit des pièces aux distributeurs, ateliers et entreprises entretenant des flottes. Pour vos besoins en blocs moteur — usinage et contenu de fourniture — envoyez la référence ou les informations moteur afin de confirmer le produ

### Guide d’achat et accès IA
- [Préparez votre demande](https://www.rigforcetech.com/fr/resources/faq/index.md): Guide d’achat
- [Trouvez des pièces moteur.](https://www.rigforcetech.com/fr/resources/mcp/index.md): Accès IA et MCP
- [Instructions de recherche](https://www.rigforcetech.com/fr/search/index.md): Instructions uniquement ; sans résultats du client.
- [Instructions de demande](https://www.rigforcetech.com/fr/rfq/index.md): Instructions uniquement ; sans brouillons du client.

## Blog in English / Blog en inglés / Blog em inglês / Blog en anglais
- [blog](https://www.rigforcetech.com/en/blog/index.md): Public RigForce website content.
- [Who Buys Heavy-Duty Steel Pistons? Buyer Personas & the 2026 Procurement Trends Reshaping the North American Aftermarket](https://www.rigforcetech.com/en/blog/who-buys-heavy-duty-steel-pistons-buyer-personas-the-2026-procurement-trends-res/index.md): Who buys heavy-duty steel pistons? Six North American buyer personas and the 2026 procurement trends reshaping how fleets and rebuilders source them.
- [Why Choose Steel Pistons for Heavy-Duty Diesel Engines: The Aftermarket Buyer's Case](https://www.rigforcetech.com/en/blog/why-choose-steel-pistons-heavy-duty-diesel/index.md): Why steel pistons have become the top-position standard in North American heavy-duty diesel engines — and what that means for fleets, rebuilders, and parts buyers: strength under 200+ bar firing pressure, cooler-running ring grooves, lower 
- [Sourcing High-Quality Oil Pumps from Reliable Chinese Parts Suppliers: A Procurement Playbook for North American Heavy-Duty Engine Users & Buyers](https://www.rigforcetech.com/en/blog/sourcing-high-quality-oil-pumps-from-reliable-chinese-parts-suppliers-a-procurem/index.md): Sourcing oil pumps from China? Learn how North American heavy-duty buyers vet suppliers, verify IATF 16949, and cross-reference part numbers before ordering.
- [Why North American Fleets Are Moving to Integrated Steel Pistons](https://www.rigforcetech.com/en/blog/why-north-american-fleets-are-moving-to-integrated-steel-pistons/index.md): Why North American Fleets Are Moving to Integrated Steel Pistons: engineering insights, selection criteria and quality inspection guidance for B2B buyers sourcing in
- [Connecting Rod Engineering: The Hardest-Working Link](https://www.rigforcetech.com/en/blog/connecting-rod-engineering-the-hardest-working-link/index.md): Connecting Rod Engineering: The Hardest-Working Link: engineering insights, selection criteria and quality inspection guidance for B2B buyers sourcing connecting rod
- [Rigforce Valvetrain Components: Precision That Keeps Your Engine Breathing](https://www.rigforcetech.com/en/blog/rigforce-valvetrain-components-precision-that-keeps-your-engine-breathing/index.md): Rigforce Valvetrain Components: Precision That Keeps Your Engine Breathing: engineering insights, selection criteria and quality inspection guidance for B2B buyers s
- [The Complete Playbook for Sourcing Steel Pistons from China](https://www.rigforcetech.com/en/blog/sourcing-steel-pistons-china-playbook/index.md): A procurement manager at a Midwest repair center put it to us bluntly last year: "I know China can make cheap pistons. What I don't know is whether I can trust them. One steel piston that cracks at 3,
- [The Complete B2B Guide to Deutz Engine Parts | RigForce](https://www.rigforcetech.com/en/blog/deutz-engine-parts-guide/index.md): Find high-quality Deutz engine replacement parts for B/FM 1012, 1013, 2012, 2015 series. Cylinder heads, rebuild kits & more. B2B supplier. Contact RigForce for a quote.
- [Sourcing Heavy-Duty Temperature Sensing Coils from China: A North American Buyer's Playbook](https://www.rigforcetech.com/en/blog/sourcing-temperature-sensing-coils-china-buyers-guide/index.md): A repair shop outside Dallas called us last spring with a comeback complaint on a Cummins ISX. The truck had gone into an unexplained power derate on the highway — no overheating, no fault the driver
- [Bearing Coatings for Heavy-Duty Engines: A North American Buyer's Guide](https://www.rigforcetech.com/en/blog/bearing-coatings-for-heavy-duty-engines-a-north-american-buyer-s-guide/index.md): Bearing Coatings for Heavy-Duty Engines: A North American Buyer's Guide: engineering insights, selection criteria and quality inspection guidance for B2B buyers sour
- [Inertia Friction Welding: Why the Joint Makes the Difference](https://www.rigforcetech.com/en/blog/inertia-friction-welding-why-the-joint-makes-the-difference/index.md): Inertia Friction Welding: Why the Joint Makes the Difference: engineering insights, selection criteria and quality inspection guidance for B2B buyers sourcing inerti
- [Squeeze Casting (Liquid Forging): A Better Aluminum Piston](https://www.rigforcetech.com/en/blog/squeeze-casting-liquid-forging-a-better-aluminum-piston/index.md): Squeeze Casting (Liquid Forging): A Better Aluminum Piston: engineering insights, selection criteria and quality inspection guidance for B2B buyers sourcing squeeze
- [How to Prepare an Engine Parts RFQ for Review](https://www.rigforcetech.com/en/blog/engine-parts-rfq-preparation/index.md): A practical checklist for organizing part numbers, engine details, quantities, and delivery requirements before requesting a quotation.
- [RigForce Adds Engine Parts RFQ Preparation Resources](https://www.rigforcetech.com/en/blog/rfq-preparation-resources-published/index.md): RigForce has added a buyer checklist and practical guide for preparing engine parts quotation requests.