Rear end of the crankshaft, flywheel side; Rear oil seal with wear ring, prevents oil leakage between the crankshaft and the flywheel housing, For certain L10, M11, ISM11, and QSM11 engines, depending on the engine configuration. Dry-clutch application, Non-REPTO.
Final compatibility must be verified using the engine serial number, because the same M11/ISM model may use a different oil seal depending on the flywheel, clutch, and REPTO configuration.
It creates a seal between two engine surfaces, preventing oil or other fluid leaks at the mounting point. Cummins specifies its primary use on non-certified 11-liter M11 engines; you can also find them on L10, ISM, and QSM engines.
Exact compatibility must be verified using the ESN, as the location and configuration may vary.