Shop / Transmission & Drivetrain / HSP DIESEL 2001-2019 CHEVY/GMC DURAMAX 2003-2018 DODGE RAM CUMMINS AAM 11.5" REAR DIFFERENTIAL COVER
HSP Diesel
HSP DIESEL 2001-2019 CHEVY/GMC DURAMAX 2003-2018 DODGE RAM CUMMINS AAM 11.5" REAR DIFFERENTIAL COVER
MPN: HSP-065-1-HSP
HSP Diesel AAM 11.5 Inch Rear Differential Cover for 2001-2019 Chevy/GMC Duramax and 2003-2018 Dodge/Ram Cummins The HSP Diesel AAM 11.5 Inch Rear Differential Cover is built for 2001-2019 Chevrolet / GMC Duramax trucks and 2003-2018 Dodge/Ram Cummins trucks equipped with the AAM 11.5 inch rear d…
$335
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Warranty
Warranty Information Pending
Warranty information has not yet been provided for this product. Contact FullSpecDiesel for help locating the applicable manufacturer or supplier warranty.
View complete warrantyHSP Diesel AAM 11.5 Inch Rear Differential Cover for 2001-2019 Chevy/GMC Duramax and 2003-2018 Dodge/Ram Cummins
The HSP Diesel AAM 11.5 Inch Rear Differential Cover is built for 2001-2019 Chevrolet / GMC Duramax trucks and 2003-2018 Dodge/Ram Cummins trucks equipped with the AAM 11.5 inch rear differential.
Designed as a direct factory replacement, this rear differential cover replaces select factory GM and Mopar differential covers while adding strength, durability, and a clean custom look to the rear end of your truck.
What Is the HSP Diesel AAM 11.5 Inch Rear Differential Cover?
The HSP Diesel AAM 11.5 Inch Rear Differential Cover is a heavy-duty replacement for the factory rear differential cover. Built from laser-cut, bent, and welded materials, this cover is designed to provide a stronger, more refined solution than the factory cover.
With its custom look and powder coat options, the HSP Diesel rear differential cover is a great way to clean up the rear of the truck while matching or contrasting the rest of your build.
Factory Replacement Cross-Reference
This rear differential cover is designed to replace the following factory part numbers:
• GM Part Numbers: 12471445, 20984339, 23445891
• Mopar Part Numbers: 5086904AD, 5086904AB, 5086904AC
Features
• Fits AAM 11.5 inch rear differentials only
• Direct replacement for select factory GM and Mopar rear differential covers
• Laser-cut, bent, and welded construction
• Increased strength compared to the factory-style cover
• Custom powder coat options available
• Cleans up the rear end with a bold, custom look
• Includes 1/2 inch drain plug
• Made for 2001-2019 Chevy/GMC Duramax and 2003-2018 Dodge/Ram Cummins applications
What’s Included?
• (1) 2001-2019 GM / 2003-2018 Dodge rear differential cover - HSP-IN-060
• (1) 1/2 inch drain plug - RFB-511-RFAB
Vehicle Fitment
• LB7: 2001-Early 2004 Chevrolet / GMC 6.6L Duramax - VIN Code 1
• LLY: 2004.5-2006 Chevrolet / GMC 6.6L Duramax - VIN Code 2
• LBZ: 2006-2007 Chevrolet / GMC 6.6L Duramax - VIN Code D
• LMM: 2007.5-2010 Chevrolet / GMC 6.6L Duramax - VIN Code 6
• LML: 2011-2016 Chevrolet / GMC 6.6L Duramax - VIN Code 8
• L5P: 2017-2019 Chevrolet / GMC 6.6L Duramax - VIN Code Y
• 5.9L Cummins: 2003-2004 Dodge Ram - VIN Code 6 or C
• 5.9L Cummins: 2005-2007 Dodge Ram - VIN Code C
• 6.7L Cummins: 2007.5-2008 Dodge Ram - VIN Code A
• 6.7L Cummins: 2009-2018 Dodge/Ram - VIN Code L
Special Note
This differential cover fits AAM 11.5 inch rear differentials only . If you are unsure of your fitment, use the OEM part numbers listed above as a cross-reference before ordering.
Our Warranty
HSP No BS Limited Lifetime Warranty
At HSP, we believe in our products and stand firmly behind every part that leaves our facility. We have always supported our customers, and the HSP No BS Limited Lifetime Warranty makes that commitment official.
For complete information about warranty coverage, policies, exclusions, and the claims process, review the full warranty details using the link below.
View the HSP No BS Limited Lifetime Warranty
HSP Diesel AAM 11.5 Inch Rear Differential Cover for 2001-2019 Chevy/GMC Duramax and 2003-2018 Dodge/Ram Cummins
The HSP Diesel AAM 11.5 Inch Rear Differential Cover is built for 2001-2019 Chevrolet / GMC Duramax trucks and 2003-2018 Dodge/Ram Cummins trucks equipped with the AAM 11.5 inch rear differential.
Designed as a direct factory replacement, this rear differential cover replaces select factory GM and Mopar differential covers while adding strength, durability, and a clean custom look to the rear end of your truck.
What Is the HSP Diesel AAM 11.5 Inch Rear Differential Cover?
The HSP Diesel AAM 11.5 Inch Rear Differential Cover is a heavy-duty replacement for the factory rear differential cover. Built from laser-cut, bent, and welded materials, this cover is designed to provide a stronger, more refined solution than the factory cover.
With its custom look and powder coat options, the HSP Diesel rear differential cover is a great way to clean up the rear of the truck while matching or contrasting the rest of your build.
Factory Replacement Cross-Reference
This rear differential cover is designed to replace the following factory part numbers:
• GM Part Numbers: 12471445, 20984339, 23445891
• Mopar Part Numbers: 5086904AD, 5086904AB, 5086904AC
Features
• Fits AAM 11.5 inch rear differentials only
• Direct replacement for select factory GM and Mopar rear differential covers
• Laser-cut, bent, and welded construction
• Increased strength compared to the factory-style cover
• Custom powder coat options available
• Cleans up the rear end with a bold, custom look
• Includes 1/2 inch drain plug
• Made for 2001-2019 Chevy/GMC Duramax and 2003-2018 Dodge/Ram Cummins applications
What’s Included?
• (1) 2001-2019 GM / 2003-2018 Dodge rear differential cover - HSP-IN-060
• (1) 1/2 inch drain plug - RFB-511-RFAB
Vehicle Fitment
• LB7: 2001-Early 2004 Chevrolet / GMC 6.6L Duramax - VIN Code 1
• LLY: 2004.5-2006 Chevrolet / GMC 6.6L Duramax - VIN Code 2
• LBZ: 2006-2007 Chevrolet / GMC 6.6L Duramax - VIN Code D
• LMM: 2007.5-2010 Chevrolet / GMC 6.6L Duramax - VIN Code 6
• LML: 2011-2016 Chevrolet / GMC 6.6L Duramax - VIN Code 8
• L5P: 2017-2019 Chevrolet / GMC 6.6L Duramax - VIN Code Y
• 5.9L Cummins: 2003-2004 Dodge Ram - VIN Code 6 or C
• 5.9L Cummins: 2005-2007 Dodge Ram - VIN Code C
• 6.7L Cummins: 2007.5-2008 Dodge Ram - VIN Code A
• 6.7L Cummins: 2009-2018 Dodge/Ram - VIN Code L
Special Note
This differential cover fits AAM 11.5 inch rear differentials only . If you are unsure of your fitment, use the OEM part numbers listed above as a cross-reference before ordering.
Our Warranty
HSP No BS Limited Lifetime Warranty
At HSP, we believe in our products and stand firmly behind every part that leaves our facility. We have always supported our customers, and the HSP No BS Limited Lifetime Warranty makes that commitment official.
For complete information about warranty coverage, policies, exclusions, and the claims process, review the full warranty details using the link below.
View the HSP No BS Limited Lifetime Warranty
Product conditions
Professional installation is recommended.
- Return eligibility
- Returnable within 30 days of confirmed delivery, in original condition, with an approved RMA
- Return window
- 30 days from confirmed delivery
- Restocking fee
- No restocking fee
- Return shipping
- Customer pays return shipping on voluntary returns
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Cancellation is only possible before the supplier order is submitted
- Warranty provider
- Warranty Information Pending
- Warranty duration
- Pending verification
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- HSP Diesel
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.