Rear Crankshaft Seal Kit Cummins Engine M11 – Engine ISM – Engine QSM
Rear end of the crankshaft, flywheel side. Rear oil seal with wear ring, dry-clutch application, Non-REPTO. Prevents oil leakage between the crankshaft and the flywheel housing.
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.