DIFFERENTIAL / DRIVETRAIN
Your axle's differential is an important part of your diesel truck, and it pays to install a quality aftermarket differential cover to help protect the differential and provide a performance boost. Our Duramax differential covers do this by providing optimal lubrication for the gears, and by transferring heat from the oil to the outside air. Our differential covers also make it easy to service with fluids. We carry only the highest quality products for our customers.
Premium Parts, Fast Service
We carry premium quality differential covers made by trusted brands like ATS and aFe. These covers are constructed out of durable materials and designed for delivering top performance. We understand you are eager to get your parts and start installing them on your diesel, and we strive to deliver the best customer service on the web, in which we ship out our orders as quickly as possible. If you order before 2 PM EST, chances are your parts will ship out same day. Now that is quality service!
Order Yours Now
Browse our selection of Duramax differential covers. We're sure you'll find the right part for your make. If you aren't finding the product you are looking for, or you have any questions about our covers and whether they'll fit your vehicle, give us a call at 724-785-4022 or drop us a message and we'll get back to you as soon as possible. Order your differential cover today.
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AFE 46-71050B Pro Series Front Differential Cover Black w/Machined Fins GM 2500/3500 11-20 V8-6.0L/6.6L (AAM 9.25)
AFE POWER
$353.43aFe POWER's AAM 9.25 front differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforcing ribs for maximum strength and comes with all...$353.43 -
AFE 46-71060B Pro Series Rear Differential Cover Black w/ Machined Fins GM Diesel Trucks 01-19 V8-6.6L (td) / GM Gas Trucks 01-19 V8-8.1L/6.0L
AFE POWER
$353.43aFe POWER's new rear differential cover brings performance engineering to the protection of your axle's differential. This differential cover is constructed out of durable cast aluminum with reinforced ribs for maximum strength. This cover comes with all...$353.43 -
WEHRLI WCF100114 2020-2024 GM 2500/3500HD & 2019-2023 RAM 2500/3500 REAR DIFFERENTIAL COVER
WEHRLI CUSTOM FABRICATION
$343.38Fabricated Aluminum Differential Cover for Rear Axle on 2020-2024 GM Duramax HD Trucks and 2019-2023 Dodge Ram 2500/3500. Comes finished in your choice of WCFab's signature custom powder coat colors for a look as unique as your truck. Replaces the...$343.38 -
WEHRLI WCF100113 01-19 CHEVROLET DURAMAX/03-19 DODGE CUMMINS 11.5IN AAM REAR DIFF. COVER
WEHRLI CUSTOM FABRICATION
$343.38These Fabricated Aluminum Differential Covers for AAM 11.50 Rear Axle on Dodge / RAM and GM HD Trucks from WCFab are precision laser cut, CNC Bent, and fully TIG welded aluminum assemblies designed to replace the OEM cover. Includes a 1" Fill Port (with...$343.38 -
AFE POWER 46-71260B PRO SERIES REAR DIFFERENTIAL COVER BLACK W/ MACHINED FINS GM DIESEL TRUCKS 2020 V8-6.6L (TD) L5P
AFE POWER
$353.43Increased Oil Capacity:This cover has an increased oil capacity over stock for better performance over a longer duration. Built-in Internal/External Fins:Built-in internal and external fins transfer heat from the oil to the outside air for maximum...$353.43 -
BANKS 19259 DIFFERENTIAL COVER KIT (NATURAL) 11.5/11.8-14 BOLT 2001-2019 GM 2500HD/3500HD 2003-2018 DODGE RAM 2500/3500
BANKS
$385.00Differential Cover Kit Natural 11.5/11.8-14 Bolt GM and Ram from 2001-2018 Banks Ram-Air® differential cover extends lubrication life and retains fuel economy. Thanks to its superior fluid and aerodynamics, the Ram-Air® Cover...$385.00 -
BANKS 19269 RAM-AIR DIFFERENTIAL COVER KIT-AA14 (11.5 IN) 2001-2019 GM 2500HD/3500HD 2003-2018 DODGE RAM 2500/3500
BANKS
$395.00The All-New Patented Banks Ram-Air Differential Cover Wipes out the competition! When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we...$395.00 -
BANKS 19249 RAM-AIR DIFFERENTIAL COVER KIT-REAR 2001-2019 GM 2500HD/3500HD 2003-2018 DODGE RAM 2500/3500
BANKS
$395.00The All-New Patented Banks Ram-Air Differential Cover Wipes out the competition! When it comes to product development, we only make products that increase performance and beat the competition. So, when we tested the popular Diff Covers on the...$395.00 -
MOOG 515146 WHEEL BEARING & HUB ASSEMBLY 2011-2019 GM 2500HD RWD | 2011-2019 GM 3500HD RWD (SINGLE REAR WHEEL)
MOOG
$349.95Moog wheel bearing and hub assemblies feature problem-solving innovations and include application-specific design enhancements. They are engineered to overcome problems and deliver smooth, reliable performance.Features and benefits of Moog wheel bearing...$349.95 -
MOOG 515144 WHEEL BEARING & HUB ASSEMBLY 2011-2019 GM 3500HD 4WD (DUAL REAR WHEEL)
MOOG
$329.99Moog wheel bearing and hub assemblies feature problem-solving innovations and include application-specific design enhancements. They are engineered to overcome problems and deliver smooth, reliable performance.Features and benefits of Moog wheel bearing...$329.99 -
MAG-HYTEC AA 14-11.5 DIFFERENTIAL COVER 2003-2013 DODGE RAM 2500* | 2003-2018 DODGE RAM 3500* | 2001-2019 GM 2500HD/3500HD
MAG HYTEC
$334.4003-10 Dodge and GM 5.9 and 6.7L Full Floating Axle Gm Hd 2500 & 3500 2001 & Up, Duramax & 8.1 Liter Gas/Dodge Rear 2003 & Up 2500-Automatic Standard Diesel$334.40