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Differential Covers

Shop Pure Diesel Power today for all of your differential covers for your GM 9.5, 10.5, 11.5, 14 bolt axles and 8.5, 8 5/8 10 bolt axles. We are proud to provide diesel mechanics and enthusiasts with the necessary performance parts and accessories to make them happy.

11.5" Differential Cover Fits Chevy/GM & Dodge along with the AAM 11.8.  Specs: Bolt: 14-Bolt Material: Aluminum Size: 11.5" Ring...


ATS Protector Rear Differential Cover Kit- 14-Bolt, 11.5" Ring Gear American Axle Fits: *GM 2001+ 2500HD & 3500 w/ Full Floating Axle (All Duramax & 8.1L Equipped Trucks) *Dodge 2003 2500 High Output Diesels; 2003 3500 Standard & High Output; 2004-2008 2500 & 3500, Standard & High Output Diesels

Protector Differential Covers Features and Benefits:

  • 2.5 quart fluid capacity over stock

  • Optimal gear lubrication

  • Easy fluid service without removing cover

  • Aluminum pan with powder-coated finish

  • Built-in heat sink for cooler oil

  • Everything you need for easy installation

 Part # 4029156248


From Mag Hytec Mag Hytec

  • GM/Chevy Sierra/Silverado Mag Hytec Differential Cover 
  • 2001 & Newer: 2500 & 3500
  • Full Floating Axle
  • Duramax & 8.1 Liter Gas
Fits '03 to 2012 GM and Dodge One Ton Trucks Rear
Holds 2 Extra Quarts Of Oil(5 Total)
Overall Height Is 3 5/8"
Finned aircraft aluminum housing for improved cooling
Offers easy routine maintenance without removing the differential cover
Dipstick with magnetic insert

Mag-Hytec’s heavy duty differential covers and transmission pans provide increased lubricant and cooling capacity for hard working recreational and service vehicles. Mag-Hytec covers and pans set your vehicle apart in both aesthetics and function – cast in A356-T6 aluminum and texture powder coated black with machined cooling fins. Magnetic drain plugs trap worn gear material promoting fluid integrity. Each unit is fitted with ARP 568 O-rings for superior sealing. All hardware is 303 stainless steel, in most applications no gasket or sealant is required, and all Mag-Hytec parts are covered by a lifetime limited warranty. Depend on Mag-Hytec – when you’re pulling a heavy load.