1 Way Diesel Performance
12 valve front cover
12 valve front cover
This custom 1 Way Diesel Performance 12 valve front cover will keep the gear train covered in style and billet aluminum strength.
Fits 12 Valve Cummins engine with stock gear housing. Requires factory gasket (not included), can use factory fan with stock 12 valve dampener and belt. Now designed to use stock rpm sensor pickup using stock bracket and stock bolts for sensor (see picture). Includes Stainless Steel hardware for all other bolts. Allows installation of aftermarket mechanical fuel supply pump. Includes crank seal adapter ring (does not include crank seal). Custom engraving also available for additional charge, call for pricing. Pictures shown with Waterman aux pump which sells separately. Comes with block off for when not using Waterman fuel pump. Does not fit first gen trucks (1993 and earlier) fits 1994 and up 12v engines, but we have one for those engines too! Choose with or without a -12AN port hole in the p-pump cover plate. The port uses a -12AN male fitting which seals with an o-ring and can be used to fill oil into the engine or run to an external catch can.