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PPE Front Aluminum Differential Cover for GM Duramax 2011-2014 6.6L

Pricing: $279.99

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Add strength, style, cooling, and an additional 3/4 of a quart of fluid to your 2011+ GM 9.25 IFS front differential with PPE’s Front Aluminum Differential Cover. The stock cover is just that; it is simply a stock cover that holds the fluid in. It does not do anything regarding cooling and due to its thin metal construction, we are pretty sure that it will not take any abuse. But for those individuals who want their truck to look good, the stock front pan sure does not do anything in that department. In stark contrast, the PPE Front Aluminum Differential Cover looks great while at the same time increasing the fluid capacity by a full 3/4 of a quart. The extra fluid cools quickly because of the added surface area, in the form of external 1/4 inch cooling fins that catch and channel passing air. It is a benefit that makes this pan cool. With their ribbed design these fins exponentially increase the exterior surface area, all of which means more air hitting more areas and thus more cooling of the fluid. The cooling continues inside as 5/8 inch internal fins act as heat sinks to draw away the high fluid temperatures to the exterior fins, where it is simply blown away. One of PPE’s high powered Neodymium magnet-equipped 17mm hex head sight level/fill plugs that attracts and holds harmful metal particles are included. Available in 3 different finishes: Raw, Brushed and Black. The best part is our rear differential cover is made from high-grade aluminum alloy.


  • Cast from high grade aluminum alloy
  • 1/4 inch external cooling fins
  • 5/8 inch internal fins
  • 3/4 additional quart capacity
  • 1/8 inch Stainless temperature probe plug
  • Stainless Steel 17mm hex head drain plug with a 1 inch Neodymium magnet that attracts and holds harmful ferrous metals
  • Adds additional strength to gear housing

    Available for: 2011+ GM 9.25 IFS - 2500HD/3500HD



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  • 12.0 lbs.
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