A4570500125
Valve Tappet
Detroit Diesel

The valve tappet is a key component in the valve train system, responsible for transferring camshaft motion to open and close the engine’s intake and exhaust valves. Its thermoplastic construction offers low friction and excellent wear resistance, ensuring smooth operation over extended service intervals. With a length of approximately 76 mm and a diameter of 32 mm, it fits precisely within the valve assembly, maintaining proper valve clearance and timing. This part’s role is crucial in achieving optimal engine breathing, which directly influences power output and fuel efficiency. Properly functioning tappets contribute to reduced engine noise and vibration, enhancing overall engine smoothness. Regular inspection and replacement of worn tappets are vital for maintaining peak engine performance. Source One Parts Center provides this component as a reliable solution for your heavy-duty engine maintenance needs.