2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Exterior Upgrades

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bed Liners

Bed Liners

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bed Racks

Bed Racks

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Bull Bars

Bull Bars

2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Bumpers

Bumpers

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Fender Flares

Fender Flares

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Grilles & Grille Guards

Grilles & Grille Guards

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Mud Flaps

Mud Flaps

2011-2016 GM 2500HD/3500HD 6.6L LML Duramax Side Steps

Side Steps

2011-2016 GM 2500HD/3500HD 6.6L LM Duramax Tonneau Covers

Tonneau Covers

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$2,998.98
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T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD

T-Rex Grilles

T-Rex 21114 Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD

SKU: TRX21114
$244.50
T-Rex 21114B Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114B Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD
T-Rex 21114B Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD

T-Rex Grilles

T-Rex 21114B Horizontal Billet Grille Overlay | 2011-2014 GM Silverado 2500HD/3500HD

SKU: TRX21114B
$244.50
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
$444.50
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GMC Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GMC Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GMC Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GMC Sierra 2500HD/3500HD
Ranch Hand GGG151BLS Legend Grille Guard | 2015-2019 GMC Sierra 2500HD/3500HD

Ranch Hand

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

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

Ranch Hand

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

SKU: RANGGG151BL1
$976.95
Ranch Hand GGG111BL1 Legend Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD
Ranch Hand GGG111BL1 Legend Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD
Ranch Hand GGG111BL1 Legend Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD

Ranch Hand

Ranch Hand GGG111BL1 Legend Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD

SKU: RANGGG111BL1
$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 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
Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD
Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD
Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD
Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD
Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD

Ranch Hand

Ranch Hand GGC111BL1 Legend Grille Guard | 2011-2014 GM Silverado 2500HD/3500HD

SKU: RANGGC111BL1
$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
$699.95
Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD
Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD
Westin 57-93785 HDX Win Mount Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD

Westin

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

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

Westin

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

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

Westin

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

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

Westin

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

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

Westin

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

SKU: WES57-3780
$2,006.99
Westin 57-3665 HDX Black Steel Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD
Westin 57-3665 HDX Black Steel Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD
Westin 57-3665 HDX Black Steel Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD

Westin

Westin 57-3665 HDX Black Steel Grille Guard | 2011-2014 GMC Sierra 2500HD/3500HD

SKU: WES57-3665
$1,146.99
Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD

Westin

Westin 57-3615 HDX Modular Black Steel Grille Guard | 2011-2014 GM Silverado 2500HD

SKU: WES57-3615
$1,146.99
Westin 57-3610 HDX Modular Stainless Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3610 HDX Modular Stainless Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3610 HDX Modular Stainless Steel Grille Guard | 2011-2014 GM Silverado 2500HD
Westin 57-3610 HDX Modular Stainless Steel Grille Guard | 2011-2014 GM Silverado 2500HD

Westin

Westin 57-3610 HDX Modular Stainless Steel Grille Guard | 2011-2014 GM Silverado 2500HD

SKU: WES57-3610
$2,006.99
Westin 40-3785 Sportsman Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD
Westin 40-3785 Sportsman Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD
Westin 40-3785 Sportsman Grille Guard | 2015-2019 GM Silverado 2500HD/3500HD

Westin

Westin 40-3785 Sportsman Grille Guard | 2015-2019 GM 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 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 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 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 GM Silverado 2500HD
T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 GM Silverado 2500HD
T-Rex 52122 Upper Class Mesh Bumper | 2015-2019 GM Silverado 2500HD

T-Rex Grilles

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

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

T-Rex Grilles

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

SKU: TRX25122
$74.50

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DIESEL TRUCK EXPERTS STANDING BY

Once you've slapped on tons of power and performance to your 2011-2016 GM 6.6L Duramax LML, it's time to upgrade it's exterior to seriously set your truck apart from the rest. You can give your GM 2500/3500 it's own custom style and appeal with any of the premium exterior parts and upgrades offered here at Alligator Performance. We carry various accessories like aftermarket side steps, fender flares, grilles, mud flaps, roof racks and more so you can outfit your rig with some of the best looking and most aggressive upgrades on the market. 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: 2011, 2012, 2013, 2014, 2015, 2016 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>2011-2016 6.6L LML
Side Steps
Fender Flares
Grilles
Mud Flaps
Roof Racks

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