5256270 crankshaft pulley, interchangeable with 4896773, is engineered for Cummins ISB6.7, QSB6.7 and ISD series engines. Cast with high-strength ductile iron and precision-balanced, it ensures smooth power transmission and reduces engine vibration, with strict dimensional control for perfect fit with the crankshaft and accessory drive system.
Supersedes:4896773
