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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T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500
T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500
T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500
T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500
T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500

T-Rex Grilles

T-Rex 21452B Horizontal Billet Grille | 2013-2018 Dodge Ram 2500/3500

SKU: TRX21452B
$329.50
T-Rex 21122 Horizontal Billet Grille | 2015-2017 Silverado 3500HD
T-Rex 21122 Horizontal Billet Grille | 2015-2017 Silverado 3500HD

T-Rex Grilles

T-Rex 21122 Horizontal Billet Grille | 2015-2017 Silverado 3500HD

SKU: TRX21122
$289.50
T-Rex 20211 Horizontal Billet Grille | 2015-2019 Sierra 2500HD/3500HD
T-Rex 20211 Horizontal Billet Grille | 2015-2019 Sierra 2500HD/3500HD
T-Rex 20211 Horizontal Billet Grille | 2015-2019 Sierra 2500HD/3500HD

T-Rex Grilles

T-Rex 20211 Horizontal Billet Grille | 2015-2019 Sierra 2500HD/3500HD

SKU: TRX20211
$374.50
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

Ranch Hand

Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: RANGGG151BLS
$976.95
Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

Ranch Hand

Ranch Hand GGG151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: RANGGG151BL1
$976.95
Ranch Hand GGC151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGC151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGC151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Ranch Hand GGC151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

Ranch Hand

Ranch Hand GGC151BL1 Legend Grille Guard (w/o Sensors) | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: RANGGC151BL1
$976.95
Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

Rough Country

Rough Country 10779 LED Rear Bumper | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: RCS10779
$679.95
$799.95
Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 Silverado 2500HD/3500HD

Westin

Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 Silverado 2500HD/3500HD

SKU: WES57-93785
$1,621.99
Westin 57-3795 HDX Black Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD
Westin 57-3795 HDX Black Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD

Westin

Westin 57-3795 HDX Black Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD

SKU: WES57-3795
$1,146.99
Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD
Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD
Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD
Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD
Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD

Westin

Westin 57-3790 HDX Stainless Steel Grille Guard | 2015-2019 Sierra 2500HD/3500HD

SKU: WES57-3790
$2,006.99
Westin 57-3785 HDX Black Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-3785 HDX Black Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD

Westin

Westin 57-3785 HDX Black Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD

SKU: WES57-3785
$1,146.99
Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD

Westin

Westin 57-3780 HDX Stainless Steel Grille Guard | 2015-2019 Silverado 2500HD/3500HD

SKU: WES57-3780
$2,006.99
Westin 40-3785 Sportsman Grille Guard | 2015-2019 Silverado 2500HD/3500HD
Westin 40-3785 Sportsman Grille Guard | 2015-2019 Silverado 2500HD/3500HD

Westin

Westin 40-3785 Sportsman Grille Guard | 2015-2019 Silverado 2500HD/3500HD

SKU: WES40-3785
$1,189.44
Westin 31-5630 E-Series Stainless Steel Bull Bar | 2015-2019 GM Silverado/Sierra 2500HD/3500HD
Westin 31-5630 E-Series Stainless Steel Bull Bar | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

Westin

Westin 31-5630 E-Series Stainless Steel Bull Bar | 2015-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: WES31-5630
$642.64
BedRug TW2X4MAT TrackMat 2ft x 4ft Folding Utility Mat | Universal
BedRug TW2X4MAT TrackMat 2ft x 4ft Folding Utility Mat | Universal
BedRug TW2X4MAT TrackMat 2ft x 4ft Folding Utility Mat | Universal

BedRug

BedRug TW2X4MAT TrackMat 2ft x 4ft Folding Utility Mat | Universal

SKU: BEDTW2X4MAT
$34.63
B&W PUCP7541BA Cab Protector - Black | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
B&W PUCP7541BA Cab Protector - Black | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

B&W Trailer hitches

B&W PUCP7541BA Cab Protector - Black | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: BNWPUCP7541BA
$899
B&W PUCP7541WA Cab Protector - White | 2011-2019 GM Silverado/Sierra 2500HD/3500HD
B&W PUCP7541WA Cab Protector - White | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

B&W Trailer hitches

B&W PUCP7541WA Cab Protector - White | 2011-2019 GM Silverado/Sierra 2500HD/3500HD

SKU: BNWPUCP7541WA
$899
T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 Silverado 2500HD
T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 Silverado 2500HD
T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 Silverado 2500HD

T-Rex Grilles

T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 Silverado 2500HD

SKU: TRX52122
$239.50
T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD
T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD
T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD
T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD
T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD

T-Rex Grilles

T-Rex 25122 Billet Bumper | 2015-2019 Silverado 3500HD

SKU: TRX25122
$59.50
T-Rex 25122B Billet Bumper | 2015-2017 Silverado 3500HD
T-Rex 25122B Billet Bumper | 2015-2017 Silverado 3500HD
T-Rex 25122B Billet Bumper | 2015-2017 Silverado 3500HD

T-Rex Grilles

T-Rex 25122B Billet Bumper | 2015-2017 Silverado 3500HD

SKU: TRX25122B
$59.50
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD

Front Runner

Front Runner KRCS006T Retrax 5.7ft Slimline II Load Bed Rack Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD

SKU: FROKRCS006T
$1,725
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD

Front Runner

Front Runner KRCS008 Retrax 5.7ft Triple Load Bar Kit | 2007-2025 GM Silverado/Sierra 1500/2500HD/3500HD

SKU: FROKRCS008
$684
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD
Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD

Front Runner

Front Runner KRCS007T Retrax 6.5ft Slimline II Load Bed Rack Kit | 1988-2025 GM Silverado/Sierra 1500/2500HD/3500HD

SKU: FROKRCS007T
$1,957
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD
Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD

Front Runner

Front Runner KRCS001T Slimline II Load Bed Rack Kit | 1987-2025 Silverado 1500/2500HD/3500HD

SKU: FROKRCS001T
$1,352

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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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