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PPE 138051020 HD Rear Differential Cover -Black For GM 2001-15 2500/3500 & Dodge 2003-15 2500/3500

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Heavy Duty PPE Differential Cover cast from A356-T6 aluminum alloy. Prolongs life of rear differential gears by reducing oil temperature. Robust side ribs provide additional strength. Fluid capacity increased to 4-1/2 quarts. Includes 3/8” NPT stainless steel drain plug and 1” sight level / fill plug with a powerful Neodymium magnet to attract & hold harmful ferrous metals. Easy installation with included fasteners. High quality CMP - 4000 high performance gasket.


Increased fluid capacity to 4-1/2 quarts

Cast from A356-T6 Aluminum

Robust side ribs provide additional strength

Greater surface area reduces gear oil temperature

1" Neodymium magnet sight level / fill plug collects harmful ferrous metals

3/8" NPT stainless steel drain plug

1/8" and 1/4" stainless temperature probe access plug

2001 - 2011 GM 2500 / 3500 trucks with 14 bolt - 11.5”

2003 - 2010 Dodge 2500 / 3500 trucks with 14 bolt - 11.5”

6mm Allen wrench required for installation, not included

Dodge Note: This product will only fit on 2013+ Dodge Cummins models with a rear leaf spring suspension. Due to clearance issues, this cover will not fit on rear coil spring applications.



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  • 20.0 lbs.
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