2020-2025 GM 2500HD/3500HD 6.6L L5P Duramax Driveline

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PPE 138041010 Heavy Duty Cast Aluminum Front Differential Cover with Brushed Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
PPE 138041010 Heavy Duty Cast Aluminum Front Differential Cover with Brushed Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 138041010 Heavy Duty Cast Aluminum Front Differential Cover with Brushed Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE138041010
Sale price
$233.99
Regular price
$259.99
PPE 138053010 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Brushed | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 138053010 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Brushed | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 138053010 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Brushed | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE138053010
Sale price
$314.99
Regular price
$329.99
Wehrli 100114 Rear Differential Cover | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500
Wehrli 100114 Rear Differential Cover | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500

Wehrli Custom Fab

Wehrli 100114 Rear Differential Cover | 2020-2025 GM Silverado/Sierra 2500HD/3500HD Duramax & 2019-2024 Ram 2500/3500

SKU: WCF100114-GB
Price
From $377.33
PPE 138051005 Drain Plug - Stainless Steel 1/2" inch ORB -6AN 9/16in-18 with Magnet | Universal
PPE 138051005 Drain Plug - Stainless Steel 1/2" inch ORB -6AN 9/16in-18 with Magnet | Universal

PPE

PPE 138051005 Drain Plug - Stainless Steel 1/2" inch ORB -6AN 9/16in-18 with Magnet | Universal

SKU: PPE138051005
Sale price
$17.99
Regular price
$19.99
PPE 138053000 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Raw | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 138053000 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Raw | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 138053000 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Raw | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE138053000
Sale price
$296.99
Regular price
$329.99
PPE 138053020 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Black | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 138053020 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Black | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 138053020 11.5in/12 inch - 14 Heavy Duty Cast Aluminum Rear Diff Cover - Black | 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE138053020
Sale price
$314.99
Regular price
$349.99
PPE 138041000 Heavy Duty Cast Aluminum Front Differential Cover with Raw Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD
PPE 138041000 Heavy Duty Cast Aluminum Front Differential Cover with Raw Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 138041000 Heavy Duty Cast Aluminum Front Differential Cover with Raw Finish | 2011-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: PPE138041000
Sale price
$215.99
Regular price
$239.99
Yukon YGK035 4.56 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK035 4.56 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK035 4.56 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK035
Price
$1,538.89
Yukon YGK036 4.88 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK036 4.88 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK036 4.88 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK036
Price
$1,498.89
Yukon YGK037 4.88 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK037 4.88 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK037 4.88 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK037
Price
$1,498.89
Yukon YGK051 4.88 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK051 4.88 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK051 4.88 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK051
Price
$1,498.89
Yukon YGK034 4.56 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK034 4.56 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK034 4.56 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK034
Price
$1,498.89
Yukon YGK038 5.13 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK038 5.13 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK038 5.13 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK038
Price
$1,498.89
Yukon YGK039 5.13 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK039 5.13 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK039 5.13 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK039
Price
$1,465.89
Yukon YGK052 5.13 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK052 5.13 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK052 5.13 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK052
Price
$1,498.89
Yukon YGK053 5.38 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK053 5.38 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK053 5.38 Thick Ratio Reverse Rotation Re-Gear Package for Dana 60 & 10.5 14 Bolt | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK053
Price
$1,538.89
Yukon YGK040 5.38 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK040 5.38 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK040 5.38 Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK040
Price
$1,465.89
Yukon YGK041 5.38 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD
Yukon YGK041 5.38 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YGK041 5.38 Thick Ratio Re-Gear Package for Dana 60 & 10.5 14 Bolt Trucks | 1999-2025 GM Silverado/Sierra 2500HD/3500HD

SKU: YUKYGK041
Price
$1,538.89

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DIESEL TRUCK EXPERTS STANDING BY

Upgrading the driveline on your 2020-2025 GM Sierra/Silverado 2500HD/3500HD can make a significant difference in overall ride quality, especially if you’ve added larger tires or want to improve off-road performance. Our selection of driveline upgrades helps you regain acceleration, improve traction, and maintain a proper power band, giving your truck the performance boost it needs for any challenge that comes its way. Installing more aggressive gears allows your truck to compensate for larger tires, restoring off-the-line performance and optimizing power delivery for towing or off-road adventures. Aftermarket differentials deliver improved traction, ensuring your custom-built GM 6.6L Duramax L5P can handle challenging terrains with ease. Pair these components with some Suspension Upgrades and Brake Upgrades to create a well-rounded performance package for your GM 2500HD/3500HD. GM Duramax Fitments: 2020, 2021, 2022, 2023, 2024, 2025 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments. 

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