PPE Heavy Duty Aluminum Rear Differential Cover (2001-2019)

Part# 1380510XX


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

PPE Heavy Duty Aluminum Differential Cover

Fits 2001-2019 Chevy/GMC 2500/3500 HD

Part# 138051000/13851010/13851020

Heavy Duty PPE Differential Cover cast from A356-T6 aluminum alloy. Cast aluminum finish and greater surface area optimize heat transfer. Prolongs life of rear differential gears by reducing oil temperature. Robust side ribs provide additional strength. 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.


  • Cast from A356-T6 Aluminum

  • 8 quart capacity

  • Cast aluminum finish increases heat dissipation reducing oil temperature

  • 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 and Newer GM 2500 / 3500 trucks with AAM 11.5”

  • 6mm Allen wrench required for installation, not included