Piston for CATERPILLAR 3406Reference7E8656Engine applicationsCATERPILLAR 3406bore mm137.16retainer specification52-1.7-RA/52-1.57-STUsupplier ring thickness reference3.96T 3.16T 3.16PistonBrowse this categoryBrowse this brand · CATERPILLARProduct page · 7E8656CATERPILLAR