Piston for CATERPILLAR 3406BReference9Y9889Engine applicationsCATERPILLAR 3406Bbore mm137.16retainer specification52-1.7-RA/52-1.57-STUsupplier ring thickness reference3.96T 3.16T 3.16Other references on this record37814419Y9889PistonBrowse this categoryBrowse this brand · CATERPILLARCATERPILLAR