Help keep your rear differential running cool and clean with an upgraded differential cover from PPE. Made in the USA from high-quality cast aluminum for strength and optimum heat dissipation. Combined with the largest set of cast cooling fins in the industry, found both inside as well as outside the pan, PPE's differential covers offer industry-leading fluid cooling.
This pan also holds additional fluid, offering thermal stamina for those long hauls.

To help keep fluid cleaner, PPE includes our exclusive fill plug featuring a high-powered Neodymium magnet that will pull harmful ferrous metal particles right out of your oil before they have a chance to do damage.

Comes with stainless steel fasteners and a CMP - 4000 high-performance gasket to make installation a quick and painless job.

PPE 138051000 Heavy Duty Differential Cover for your 2001-2016 GM Duramax is cast from A356-T6 aluminum alloy. The Cast aluminum finish and greater surface area optimize heat transfer for cooling. 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.

Features:
-1-1/2 quarts increased fluid capacity
-Cast from A356-T6 Aluminum
-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
-1/8" and 1/4" stainless temperature probe access plug
-6mm Allen wrench required for installation, not included

2001 to current model year GM 2500HD/3500HD trucks with 14 bolt - 11.5" rear axle
2003-2018 Dodge 2500HD/3500HD trucks with 14 bolt - 11.5" rear axle
2014-2018 Dodge 2500HD/3500HD trucks with leaf springs (will not fit trucks with coil springs)