REAR CRANKSHAFT SEAL P/N 3926126 Thermostat This turns a frustrating job

This turns a frustrating job into a 30-second task

Also requires gasket 145996681

you receive the complete three-piece factory assembly ready for use:

Part Number 145206320

The Puller Body – The threaded collar that locks into the impeller

REAR CRANKSHAFT SEAL P/N 3926126 Thermostat This turns a frustrating jobGenuine Cummins rear crankshaft seal assembly featuring an integrated wear sleeve, engineered for 6B, 4B, ISB, and QSB series engines. This OEM specification component ensures reliable sealing and extended crankshaft protection in demanding marine diesel applications. In stock inventory with expedited same day shipping available for orders placed before 2pm ET.