A4570911020
Fuel Pump Drive Gear for OM457 EEV
Detroit Diesel

This drive gear for the fuel pump in OM457 EEV engines plays a vital role in ensuring the consistent and accurate transfer of rotational motion from the engine to fuel delivery components. With dimensions similar to the timing gear—around 144.41 mm in base diameter and 78 teeth—it is designed for precise engagement within the drive system. Constructed from high-quality steel, it provides excellent resistance to wear, fatigue, and corrosion, supporting reliable operation over prolonged service intervals. Its function is critical in maintaining steady fuel pressure and flow, which directly impacts engine efficiency, responsiveness, and emissions. Proper installation and alignment are essential to prevent timing issues that could impair engine performance. This gear is a key component for the durability and reliability of the fuel injection system. Source One Parts Center stocks this part as part of its trusted inventory for heavy-duty engine maintenance and repairs.