Brand New Crankshaft Surplus Caterpillar part number 3N2957. This part number subs to 3N2937 and 5L6286.

0R5341 re-manufactured second grind crankshaft that can be upgraded to new (UTN) for this crankshaft 3N2957 0R2534 re-manufactured crankshaft that can be upgraded to new (UTN) for this crankshaft 3N2957 0R5056 re-manufactured second grind crankshaft that can be upgraded to new (UTN) for this crankshaft 3N2957

This crankshaft will fit these gas and diesel engines: Engine - Generator Set Gen Set Engine D379B 34Z Engine - Industrial Industrial Engine D379B 68B Engine - Industrial Industrial Engine D379 68B Engine - Industrial Gas Engine G379A 72B Engine - Industrial Gas Engine G379 72B Engine - Industrial Industrial Engine D379B 76B Engine - Industrial Industrial Engine D379 76B Marine Products Marine Engine D379A 69B Marine Products Marine Engine D379B 69B