Piston Pin : 1. The piston pin is used in Cummins 6CT8.3 engine 2. OEM number: 3934046 3. Competitive price with high quality Piston Pin Remarks:1 ... , piston ring, piston pin, cylinder liner, crankshaft, camshaft, cylinder head, cylinder block, connecting rod, main bearing, crankshaft bearing, connecting rod bearing, vribbed belt, belt ...