# 7W2221 — Product catalogue

7W2221 — Product catalogue. Multiple catalogue records use this reference. Select the record that matches your engine. Confirm the engine identification, required quantity and the reference before ordering. Catalogue applications require confirmation.

## Piston Ring for CATERPILLAR 3516 3512 3508

Reference: 7W2221

Engine applications: CATERPILLAR 3516 3512 3508

ring axial heights mm: 3.9 / 3.7 / 4.97

piston ring 2 type code: TM IW

piston ring 3 type code: DSF-STEEL

piston ring 1 material code: KV1

piston ring 2 material code: KV1

piston ring 1 surface treatment code: CR P

piston ring 2 surface treatment code: CR P

piston ring 3 surface treatment code: GN

Other references on this record: 1N3967, 7W2221, 8N1233, 8N7810

[Browse this category](https://www.rigforcetech.com/en/parts/by-category/piston-rings)

## Piston Ring for CATERPILLAR G3508 G3512

Reference: 7W2221

Engine applications: CATERPILLAR G3508 G3512

ring axial heights mm: 3.5 / 3.5 / 4.97

piston ring 2 type code: M IW

piston ring 3 type code: DSF

piston ring 1 material code: KV1

piston ring 2 material code: KV1

piston ring 3 material code: IKA

piston ring 1 surface treatment code: MO

piston ring 2 surface treatment code: CR SP

piston ring 3 surface treatment code: CR

Other references on this record: 7E2899, 7E7581, 7W2221, 8N1234

[Browse this category](https://www.rigforcetech.com/en/parts/by-category/piston-rings)



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