2001-2004 GM 2500HD/3500HD 6.6L LB Duramax Driveline

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2001-2004 6.6L Silverado & Sierra 2500HD/3500HD

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Differential Covers

Differential Covers

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Differentials

Differentials

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Front Gears

Front Gears

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Gear Packages

Gear Packages

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Install Kits

Install Kits

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Rear Gears

Rear Gears

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Mag Hytec AA14-11.5 Differential Cover | 2003-2018 Dodge RAM & 2001-2019 GM Silverado/Sierra 2500HD/3500HD Duramax
Mag Hytec AA14-11.5 Differential Cover | 2003-2018 Dodge RAM & 2001-2019 GM Silverado/Sierra 2500HD/3500HD Duramax

Mag-Hytec

Mag Hytec AA14-11.5 Differential Cover | 2003-2018 Dodge RAM & 2001-2019 GM Silverado/Sierra 2500HD/3500HD Duramax

$334.40
PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
4.0
PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD
PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

PPE

PPE 138051000 HD Cast Aluminum Rear Differential Cover with Raw Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD

$287.99
PPE 138051010 Rear Differential Cover with Brushed Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 138051010 Rear Differential Cover with Brushed Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 138051010 Rear Differential Cover with Brushed Finish | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

$305.99
Royal Purple 01300 75W-90 Synthetic Gear Oil - 1 Quart Bottle | Universal
Royal Purple 01300 75W-90 Synthetic Gear Oil - 1 Quart Bottle | Universal

Royal Purple

Royal Purple 01300 75W-90 Synthetic Gear Oil - 1 Quart Bottle | Universal

$17.99
ATS 402-915-6248 11.5 inch 14-Bolt Differential Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 402-915-6248 11.5 inch 14-Bolt Differential Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 402-915-6248 11.5 inch 14-Bolt Differential Cover | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

$280.68
Cogntio 110-90190 Differential Mount Bracket Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD
Cogntio 110-90190 Differential Mount Bracket Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

Cognito

Cogntio 110-90190 Differential Mount Bracket Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD

$199.95
Yukon YAWGM14T-30-42 Gear Chromoly Axle Shaft for 14T & 11.5 Differentials 30 Spline Cut to Length 42.2 | 2001-2012 GM Silverado/Sierra 2500HD/3500HD
Yukon YAWGM14T-30-42 Gear Chromoly Axle Shaft for 14T & 11.5 Differentials 30 Spline Cut to Length 42.2 | 2001-2012 GM Silverado/Sierra 2500HD/3500HD

Yukon Gear And Axle

Yukon YAWGM14T-30-42 Gear Chromoly Axle Shaft for 14T & 11.5 Differentials 30 Spline Cut to Length 42.2 | 2001-2012 GM Silverado/Sierra 2500HD/3500HD

$411.89
ARB RD139 Air locker For AAM 11.5 Rear Axle | 2000-2006 GM 2500/3500 / 03-09 Dodge RAM 2500/3500
ARB RD139 Air locker For AAM 11.5 Rear Axle | 2000-2006 GM 2500/3500 / 03-09 Dodge RAM 2500/3500

ARB 4x4 Accessories

ARB RD139 Air locker For AAM 11.5 Rear Axle | 2000-2006 GM 2500/3500 / 03-09 Dodge RAM 2500/3500

$1,181.95
Eaton 915A568 11.5 Detroit TrueTrac Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Eaton 915A568 11.5 Detroit TrueTrac Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Eaton

Eaton 915A568 11.5 Detroit TrueTrac Differential | 2001-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

$1,229.99
PPE 238051020 Rear Differential Cover Black | 2001-2019 GM 2500/3500 & 01-05 RAM 2500/3500
PPE 238051020 Rear Differential Cover Black | 2001-2019 GM 2500/3500 & 01-05 RAM 2500/3500
PPE 238051020 Rear Differential Cover Black | 2001-2019 GM 2500/3500 & 01-05 RAM 2500/3500
PPE 238051020 Rear Differential Cover Black | 2001-2019 GM 2500/3500 & 01-05 RAM 2500/3500

PPE

PPE 238051020 Rear Differential Cover Black | 2001-2019 GM 2500/3500 & 01-05 RAM 2500/3500

$305.99
PPE 138051002 Rear Differential Cover Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Durama & 01-10 RAM 5.9L/6.7L Cummins
PPE 138051002 Rear Differential Cover Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Durama & 01-10 RAM 5.9L/6.7L Cummins
PPE 138051002 Rear Differential Cover Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Durama & 01-10 RAM 5.9L/6.7L Cummins

PPE

PPE 138051002 Rear Differential Cover Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax Durama & 01-10 RAM 5.9L/6.7L Cummins

$17.99
Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500
Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500
Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500
Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500
Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500

Banks Power

Banks 19269 Black Ops Differential Cover Kit | 2001-2019 GM 2500/3500 & 03-18 Ram 2500/3500

$395

2001-2004 6.6L Silverado & Sierra 2500HD/3500HD

Power Lift Shop All

Upgrading your tucks ring-and-pinion gears to allow your 2001-2004 GM 2500HD/3500HD build to accommodate larger tires to win back the acceleration lost and a proper powerband after installing larger tires. Aftermarket differentials supply additional power to both wheels on a single axle to improve traction and grip on any terrain and in every situation. A differential cover make maintenance a breeze and adds a great to your truck without compromise. Pair your new driveline with a set of Wheels & Tires! GM Duramax Fitments: 2001, 2002, 2003, 2004 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.

GM Duramax>2001-2004 6.6L LB7
Front Gears
Rear Gears
Gear Packages
Install Kits
Differentials

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