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

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

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

Bed Liners

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

Bed Racks

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

Bull Bars

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

Bumpers

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

Fender Flares

2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Grilles & Grille Guards

Grilles & Grille Guards

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

Mud Flaps

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

Roof Racks

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

Side Steps

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

Tonneau Covers

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Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD
Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD
Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD
Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD
Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40103-02 Front Extend-A-Fender Flares | 1999-2007 GM Silverado/Sierra 1500/2500HD/3500HD

$429.99
Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD
Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD
Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD
Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD
Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD

Bushwacker

Bushwacker 40915-02 OE Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD

$699.99
Rhino Rack JA0190 Heavy Duty 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD
Rhino Rack JA0190 Heavy Duty 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD

Rhino Rack

Rhino Rack JA0190 Heavy Duty 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD

$567.96
Rhino Rack JA2525 Vortex 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD
Rhino Rack JA2525 Vortex 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD

Rhino Rack

Rhino Rack JA2525 Vortex 2500HD Black 2-Bar Roof Rack | 1999-2014 GM Silverado/Sierra 1500/2500HD/3500HD

$567.96
Bushwacker 40918-02 Pocket Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD (Non-Dually) Standard & Long Bed
Bushwacker 40918-02 Pocket Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD (Non-Dually) Standard & Long Bed
Bushwacker 40918-02 Pocket Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD (Non-Dually) Standard & Long Bed
Bushwacker 40918-02 Pocket Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD (Non-Dually) Standard & Long Bed

Bushwacker

Bushwacker 40918-02 Pocket Style Front & Rear Fender Flares | 2003-2007 Silverado 1500/2500HD/3500HD (Non-Dually) Standard & Long Bed

$549.99
Husky 57351 Rear Mud Guards | 2001-2007 GM Silverado 3500HD Dually
Husky 57351 Rear Mud Guards | 2001-2007 GM Silverado 3500HD Dually

Husky Liners

Husky 57351 Rear Mud Guards | 2001-2007 GM Silverado 3500HD Dually

$119.99
Husky 57211 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab
Husky 57211 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab

Husky Liners

Husky 57211 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab

$59.99
Husky 57241 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab
Husky 57241 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab

Husky Liners

Husky 57241 Rear Mud Guards | 1999-2006 Silverado 1500/2500HD/3500HD Crew Cab

$59.99
Husky 56251 Front Mud Guards | 2000-2007 Silverado 1500/2500HD/3500HD Crew Cab
Husky 56251 Front Mud Guards | 2000-2007 Silverado 1500/2500HD/3500HD Crew Cab

Husky Liners

Husky 56251 Front Mud Guards | 2000-2007 Silverado 1500/2500HD/3500HD Crew Cab

$59.99
Husky 56211 Front Mud Guards | 1999-2007 Silverado 1500/2500HD/3500HD Crew Cab
Husky 56211 Front Mud Guards | 1999-2007 Silverado 1500/2500HD/3500HD Crew Cab

Husky Liners

Husky 56211 Front Mud Guards | 1999-2007 Silverado 1500/2500HD/3500HD Crew Cab

$59.99

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

Power Lift Shop All

If you want to transform your 2001-2004 GM 6.6L Duramax LB7 build into a truck you can truly call your own, choose from our vast selection of exterior parts and upgrades available here at Alligator Performance. The right combination of exterior upgrades on your Sierra/Silverado will turn heads each time you get behind the wheel. Whether you're looking for some bolt-on fender flares for a quick and easy upgrade, or a premium roof rack for improved cargo carrying capacity, we have it all. Better yet, you can shop and drive with confidence knowing we only work with the most trusted and reliable names in the business. Once you've finished outfitting your exterior, head over and check out our selection of GM 2500/3500 Wheels & Tires to complete your custom build! 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
Side Steps
Fender Flares
Grilles
Mud Flaps
Roof Racks

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