... quality,reasonable price,good service 4.Strong supply capability Cummins 6BT cylinder block C39287971. Standard materials according to technical drawing2 ... Rod, Gear, Oil Pan, Valve Parts…5Piston,Piston Pin, Piston Cooling Nozzle,Piston Ring6Camshaft, Crankshaft, Main Bearing, thrust bearing, crankshaft ... and B, C, N, L, M series of Cummins engine parts. Please contact us:Mr.Shuangming YangFax:+86 ...