2017-2019 GM 2500HD/3500HD 6.6L L5 Duramax Exterior Upgrades

2017-2019 6.6L Silverado & Sierra 2500HD/3500HD

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Bed Liners

Bed Liners

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Bed Racks

Bed Racks

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Bull Bars

Bull Bars

2017-2019 GM 2500HD/3500HD 6.6L L5 Duramax Bumpers

Bumpers

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Fender Flares

Fender Flares

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Grilles & Grille Guards

Grilles & Grille Guards

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Mud Flaps

Mud Flaps

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Roof Racks

Roof Racks

2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Side Steps

Side Steps

2017-2019 GM 2500HD/3500HD 6.6L L5 Duramax Tonneau Covers

Tonneau Covers

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Bushwacker 40133-02 Pocket Style Front Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40133-02 Pocket Style Front Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40133-02 Pocket Style Front Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40133-02 Pocket Style Front Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40133-02 Pocket Style Front Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

SKU: BWK40133-02
$349.99
Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40131-02 Front Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

SKU: BWK40131-02
$429.99
Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

Bushwacker

Bushwacker 40128-02 Rear Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

SKU: BWK40128-02
$429.99
Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

Bushwacker

Bushwacker 40125-02 Front Extend-A-Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

SKU: BWK40125-02
$429.99
Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40124-02 OE Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

SKU: BWK40124-02
$479.99
Bushwacker 40122-02 Pocket Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40122-02 Pocket Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40122-02 Pocket Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40122-02 Pocket Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40122-02 Pocket Style Rear Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

SKU: BWK40122-02
$349.99
Bushwacker 40119-02 Pocket Style Front Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40119-02 Pocket Style Front Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40119-02 Pocket Style Front Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40119-02 Pocket Style Front Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

Bushwacker

Bushwacker 40119-02 Pocket Style Front Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

SKU: BWK40119-02
$349.99
Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD
Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

Bushwacker

Bushwacker 40116-02 Pocket Style Rear Fender Flares | 2015-2019 Silverado 1500/2500HD/3500HD

SKU: BWK40116-02
$349.99
Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD
Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

Bushwacker

Bushwacker 40100-02 Rear Extend-A-Fender Flares | 2015-2019 Sierra 1500/2500HD/3500HD

SKU: BWK40100-02
$429.99
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

Go Rhino

Go Rhino 20405187T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

SKU: RHI20405187T
$1,189.99
$1,399.99
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab
Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

Go Rhino

Go Rhino 20405187PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Crew Cab

SKU: RHI20405187PC
$1,104.99
$1,299.99
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

Go Rhino

Go Rhino 20404280T E1 Electric Running Board Kit (Bedliner) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

SKU: RHI20404280T
$1,189.99
$1,399.99
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab
Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

Go Rhino

Go Rhino 20404280PC E1 Electric Running Board Kit (Black) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD Extended Cab

SKU: RHI20404280PC
$1,104.99
$1,299.99
T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD
T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD
T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD
T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD
T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD

T-Rex Grilles

T-Rex 7312111-BR HD Stealth Laser Torch Grille with 30 inch LED Bar Black with Black Studs | 2015-2019 Sierra 2500HD/3500HD

SKU: TRX7312111-BR
$1,389.50
T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD
T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD
T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD
T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD
T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD

T-Rex Grilles

T-Rex 7311241 HD Laser Torch Grille with 30 inch LED Bar Black with Chrome Studs | 2015-2019 Silverado 2500HD/3500HD

SKU: TRX7311241
$1,199.50
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD
AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD

AMP Research

AMP Research 78154-01A PowerStep Extreme Running Boards | 2014-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: AMP78154-01A
$2,199.99
Bushwacker 40967-14 Summit White Pocket Style Front & Rear Fender Flares | 2017-2024 Sierra 2500HD/3500HD
Bushwacker 40967-14 Summit White Pocket Style Front & Rear Fender Flares | 2017-2024 Sierra 2500HD/3500HD

Bushwacker

Bushwacker 40967-14 Summit White Pocket Style Front & Rear Fender Flares | 2017-2024 Sierra 2500HD/3500HD

SKU: BWK40967-14
$1,249.99
$1,268.98
Bushwacker 40967-34 Onyx Black Pocket Style Front & Rear Flares | 2017-2024 Sierra 2500HD/3500HD
Bushwacker 40967-34 Onyx Black Pocket Style Front & Rear Flares | 2017-2024 Sierra 2500HD/3500HD

Bushwacker

Bushwacker 40967-34 Onyx Black Pocket Style Front & Rear Flares | 2017-2024 Sierra 2500HD/3500HD

SKU: BWK40967-34
$1,249.99
$1,268.98
Husky 57891 Rear Mud Guards | 2014-2019 Sierra 1500/2500HD/3500HD
Husky 57891 Rear Mud Guards | 2014-2019 Sierra 1500/2500HD/3500HD
Husky 57891 Rear Mud Guards | 2014-2019 Sierra 1500/2500HD/3500HD

Husky Liners

Husky 57891 Rear Mud Guards | 2014-2019 Sierra 1500/2500HD/3500HD

SKU: HUS57891
$53.99
$59.99
Husky 57881 Rear Mud Guards | 2014-2018 Silverado 1500/2500HD/3500HD
Husky 57881 Rear Mud Guards | 2014-2018 Silverado 1500/2500HD/3500HD
Husky 57881 Rear Mud Guards | 2014-2018 Silverado 1500/2500HD/3500HD
Husky 57881 Rear Mud Guards | 2014-2018 Silverado 1500/2500HD/3500HD

Husky Liners

Husky 57881 Rear Mud Guards | 2014-2018 Silverado 1500/2500HD/3500HD

SKU: HUS57881
$53.99
$59.99
Husky 56891 Front Mud Guards | 2015-2019 Sierra 2500HD/3500HD w/o Fender Flares
Husky 56891 Front Mud Guards | 2015-2019 Sierra 2500HD/3500HD w/o Fender Flares

Husky Liners

Husky 56891 Front Mud Guards | 2015-2019 Sierra 2500HD/3500HD w/o Fender Flares

SKU: HUS56891
$53.99
$59.99

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2017-2019 6.6L Silverado & Sierra 2500HD/3500HD

Power Lift Shop All

Your 2017-2019 GM 6.6L Duramax L5P already packs an aggressive and rugged look, but if you're looking to take it a step further, pick up some custom exterior upgrades from Alligator Performance! We offer a massive selection of premium exterior parts that not only enhance your GM 2500HD/3500HD’s style but also improve its functionality along the way. From aggressive side steps and fender flares to sleek grilles, mud flaps, and roof racks, we have everything you need to make your Sierra or Silverado stand out on the road or trail. And after you've picked up a few exterior accessories, add on some new Wheels and Tires to make statement around every corner. GM Duramax Fitments: 2017, 2018, 2019 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>2017-2019 6.6L L5P
Side Steps
Fender Flares
Grilles
Mud Flaps
Roof Racks

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