It ensures the combustion chamber remains airtight and allows for the controlled flow of high-pressure, high-temperature exhaust gases toward the manifold and the turbocharger. The kit includes an exhaust valve and retaining cones.
Used on Cummins Heavy Duty and Medium Duty engines (industrial, marine, automotive, and construction applications) in the ISC (8.3L), ISL / ISL9 / ISLE4 (8.9L), QSC8.3, QSL9, 6C8.3, B4.5, and ISF3.8 engine series. Models from approximately 2002 to the present.
Always verify using the Engine Serial Number (ESN).
To be 100% certain, check the engine serial number (ESN),
the return line and turbocharger may vary depending on the CPL,
year, and turbo configuration.
The tappet is installed between the camshaft cam and the rest of the valve train. It transmits the cam’s motion to the pushrod/rocker arm system, allowing the valves to open and close properly.
Applications for Cummins ISL, QSL, ISC, QSC, and C-Series engines.
Final compatibility must be verified using ESN, CPL, QuickServe, and the Cummins catalog before installation.