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2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Exterior Upgrades

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2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Bed Liners

Bed Liners

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Bed Racks

Bed Racks

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Bull Bars

Bull Bars

2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Bumpers

Bumpers

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Fender Flares

Fender Flares

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Mud Flaps

Mud Flaps

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Roof Racks

Roof Racks

2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Side Steps

Side Steps

2004.5-2005 GM 2500HD/3500HD 6.6L LL Duramax Tonneau Covers

Tonneau Covers

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If you want to transform your 2004.5-2005 GM 6.6L Duramax LLY 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: 2004, 2005 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>2004.5-2005 6.6L LLY

Side Steps
Fender Flares
Grilles
Mud Flaps
Roof Racks

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