OEM-quality Part No. 3970117 Camshaft is precision-engineered for Cummins ISBE and QSB4.5 series diesel engines. Forged from high-strength, hardened steel with precision-ground cam lobes and bearing journals, it delivers exceptional durability, precise valve timing and optimal engine performance. The camshaft is balanced to reduce vibration, ensuring smooth, reliable operation in demanding commercial vehicle and industrial applications.
