The Cummins Rear Main Seal 89-18 5.9L / Dodge 6.7L Cummins from Cummins Diesel Parts is a engine components component designed for 1989–2018 applications running the 5.9L Cummins or 6.7L Cummins.
Manufactured to rigorous quality standards and verified for fitment on diesel trucks in the specified year range. A direct replacement or performance upgrade that installs using factory mounting points.
Verify fitment against your specific year, engine, and cab/bed configuration before ordering.