The rotation of the crankshaft is the power source of the engine. It is also the source of power for the entire mechanical system. Using intermediate frequency induction hardening, nitriding and surface strengthening technology. QSB6.7 Crankshaft is for Cummins QSB Series 6 Cylinder mechanical engines. You may need to replace the parts below if you want to replace the crankshaft:
Main Bearing Set (Upper Bearing , Lower Bearing & Thrust Bearing)
Connecting Rod Bearing Set (Upper and Lower Bearsings)
Upper Gasket Kit
Lower Gasket Kit
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