A5410500822
Roller Tappet Assembly with 0.50 Clearance for OM457 EEV
Detroit Diesel

The roller tappet assembly with a 0.50 clearance is a precision-engineered component that plays a vital role in the valve train of the OM457 EEV engine. Its 14 mm height and 25 mm outer diameter are optimized for smooth operation, reducing friction and wear on the camshaft and valves. This assembly ensures accurate valve timing and lift, which are crucial for maintaining engine efficiency, power output, and emissions compliance. The roller design minimizes contact surface stress, extending the lifespan of the entire valve train system. Properly calibrated clearance ensures quiet operation and prevents excessive valve lash, which could lead to mechanical failures. Regular inspection and replacement of these components are essential for sustained engine performance, especially under heavy-duty conditions. Source One Parts Center offers this roller tappet, supporting your maintenance routines and helping keep your engine running reliably.