... Bearing : 1. It is Cummins 6CT main bearing and its NTA type package. 2. OEM number: 3916840 Auto Parts Main BearingRemarks: 1 ... ) We manage in main bearing, auto engine valve, piston, piston ring, ... , cylinder head, cylinder block, connecting rod, crankshaft bearing, connecting rod bearing, vribbed belt, belt tensioner, water pump, lubricating ...