The Jenbacher 434970 Roller Tappet is a critical valve train component used in Jenbacher Type 4 gas engines. It ensures accurate transmission of camshaft motion to the valves, maintaining precise valve timing and stable engine operation.
Its roller design significantly reduces friction and wear, improves overall engine efficiency, and extends service life. This part is supplied as Original/OEM quality, suitable for continuous-duty and industrial power generation applications.
Functions & Benefits:
- Accurate transmission of camshaft motion to valves
- Reduced friction and minimized wear
- Improved engine efficiency and stable performance
- Designed for continuous and heavy-duty operation
- Extended lifespan of valve train components
Why Roller Tappet?
Roller tappets use a rotating bearing that significantly lowers friction compared to flat tappets, making them the preferred choice for high-performance and industrial gas engines such as Jenbacher.



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