XDP XD477 Billet Aluminum Oil Cap 01-21 GM 6.6L Duramax TB-DDF974A the EFR lineup is already

the EFR lineup is already setup to accept their own speed sensor

Replacement of a molded rubber valve cover gasket is recommended whenever there is visible physical damage or the sealing bead height has decreased by 5% or more

and dozens of other body and chassis controllers

thermal stability

The coating seals and impregnates into the mating component surface

XDP XD477 Billet Aluminum Oil Cap 01-21 GM 6.6L Duramax TB-DDF974A the EFR lineup is alreadyDress up the underhood of your GM Duramax with the XDP Billet Oil Cap. Each cap is constructed from billet aluminum making it the perfect replacement for the plastic factory cap. A black anodized finish gives this cap a clean, sleek look.