QSB6.7 Engine Oil Seal

Genuine Cummins QSB6.7  6D102 4D102 Engine Oil Seal 5259499 3937111

3937111 is a Cummins Front Crankshaft Seal Kit,Cummins Front Crank Seal Service Kit - 89-07 Dodge Cummins 5.9L - 3937111

Is your Cummins leaking oil at the rear of the engine?

Chances are its your rear main seal. This is a genuine Cummins direct replacement seal to get you back on the road with reliability.

This is a genuine Cummins Oil Ring Seal for ISB and B Series engines. This is a genuine Cummins part shipped with a 12-month warranty.

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