A4570910720
Auxiliary Equipment Timing Drive Spur Gear for OM457 EEV
Detroit Diesel

The timing drive gear for the OM457 EEV engine is a precision component that synchronizes the rotation of the camshaft with the crankshaft, which is essential for maintaining proper valve timing. With a height of 10 mm and a base diameter of approximately 144.41 mm, it features 78 teeth that are designed for precise meshing with related gears. Made from high-strength steel, this gear offers excellent durability, resistance to wear, and long service life under the rigorous conditions of heavy-duty engine operation. Correct engagement of this gear ensures reliable timing, which is critical for optimal power output, fuel efficiency, and emissions compliance. Its robust construction helps prevent timing slips and maintains engine reliability. For quality assurance and proper fitment, Source One Parts Center recommends this gear as part of your engine’s timing system maintenance or overhaul.