635+ 2013 GMC Sierra 3500 HD Exterior Accessories Parts - Page 5

Exterior Accessories (635 products)

Dee Zee

Part # DZ86700

Fits All Trims

Deezee Universal Tailgate Mat - Full Size

$56.45

Westin

Part # 28-534570

Fits All Trims

Westin 07-18 Chevrolet Silverado 1500 CC 6.5ft Bed R5 M-Series W2W Nerf Step Bars - Polished SS

$1212.99

Dee Zee

Part # DZ3700301

Fits All Trims

Deezee Universal Tubes - 3In Round Universal - Black Steel RegCab

$284.17

AMP Research

Part # 75610-01a

Choose Trim

AMP Research BedStep2 Installation Kit for 2007-2013 Chevy Silverado 1500

$29.99

Putco

Part # 53617P

Fits All Trims

Putco 14-14 GMC Sierra HD - Boss Tailgate (wraps Over Holes) (Replaces Existing Cap) Tailgate Guards

$148.13

Husky Liners

Part # 55100

Fits All Trims

Husky Liners Universal 12in Wide Black Rubber Rear Mud Flaps w/o Weight

$69.99

Westin

Part # 56-137152

Fits All Trims

Westin/HDX 07-18 Chevy/GMC Silv/Sierra 15/25/3500 Drop Nerf Step Bars - Stainless

$891.99

Putco

Part # 59861

Choose Trim

Putco 07-14 Chevrolet Silverado HD - 8ft Bed Dually SSR Locker Side Rails

$462.14

Go Rhino

Part # 911000PS

Fits All Trims

Go Rhino 07-20 Toyota Tundra Sport Bar 2.0 (Full Size) - SS

$1249.99

Wehrli

Part # WCF100041-RED

Fits All Trims

Wehrli 07.5-19 Chevrolet 6.6L Duramax Billet TIG Torch Stubby Antenna - WCFab Red

$82.94

Go Rhino

Part # D6410000T

Fits All Trims

Go Rhino Dominator Extreme D6 SideSteps - Tex Blk - 4in Drop Down Steps (Pair)

$179.99

AMP Research

Part # 75146-01A

Fits All Trims

AMP Research 2011-2014 GMC Sierra 2500/3500 Extended/Crew PowerStep - Black

$1649.99

WeatherTech

Part # 3TG03

Fits All Trims

WeatherTech 07-12 Chevrolet Silverado TechLiner - Black

$78.95

WeatherTech

Part # 32U9710

Fits All Trims

WeatherTech 07-15 Chevrolet Silverado UnderLiner - Black

$113.95

Go Rhino

Part # 640052PS

Choose Trim

Go Rhino 4in OE Xtreme SideSteps - Stainless Steel - 52in

$274.99

Westin

Part # 21-1955

Fits All Trims

Westin 1999-2013 Chevy Silverado 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black

$302.68

Westin

Part # 22-6040

Fits All Trims

Westin Premier 6 in Oval Side Bar - Stainless Steel 91 in - Stainless Steel

$534.96

Westin

Part # 21-21680

Choose Trim

Westin 2007-2013 Chevy Silverado 1500 Ext Cab PRO TRAXX 4 Oval Nerf Step Bars - SS

$445.04

Go Rhino

Part # 8075B

Fits All Trims

Go Rhino 07-13 Chevrolet Silverado Stake Pocket Bed Rails - Blk

$149.99

Westin

Part # 56-13725

Fits All Trims

Westin/HDX 07-18 Chevy/GMC Silv/Sierra 15/25/3500 Crew Cab Drop Nerf Step Bars - Textured Black

$654.99

Frequently Asked Questions

Do these parts fit my 2013 GMC Sierra 3500 HD?

This page groups parts listed for the 2013 GMC Sierra 3500 HD. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.

What exterior accessories options are available for my 2013 GMC Sierra 3500 HD?

We offer a wide selection of exterior accessories parts for the 2013 GMC Sierra 3500 HD. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.

What brands make parts for the 2013 GMC Sierra 3500 HD?

We carry parts from trusted brands including Go Rhino, Westin, Dee Zee, LUND, and Pace Edwards, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2013 GMC Sierra 3500 HD parts ship?

Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.

What warranty do your 2013 GMC Sierra 3500 HD parts come with?

Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.

2013 GMC Sierra 3500 HD(4,360 parts)

2013 GMC Sierra 3500 HD(4,360 parts)

Shop by Problem

Other GMC Sierra 3500 HD Years

Exterior Accessories (635 products)

Deezee Universal Tailgate Mat - Full Size

Westin 07-18 Chevrolet Silverado 1500 CC 6.5ft Bed R5 M-Series W2W Nerf Step Bars - Polished SS

Deezee Universal Tubes - 3In Round Universal - Black Steel RegCab

AMP Research BedStep2 Installation Kit for 2007-2013 Chevy Silverado 1500

Putco 14-14 GMC Sierra HD - Boss Tailgate (wraps Over Holes) (Replaces Existing Cap) Tailgate Guards

Husky Liners Universal 12in Wide Black Rubber Rear Mud Flaps w/o Weight

Westin/HDX 07-18 Chevy/GMC Silv/Sierra 15/25/3500 Drop Nerf Step Bars - Stainless

Putco 07-14 Chevrolet Silverado HD - 8ft Bed Dually SSR Locker Side Rails

Go Rhino 07-20 Toyota Tundra Sport Bar 2.0 (Full Size) - SS

Wehrli 07.5-19 Chevrolet 6.6L Duramax Billet TIG Torch Stubby Antenna - WCFab Red

Go Rhino Dominator Extreme D6 SideSteps - Tex Blk - 4in Drop Down Steps (Pair)

AMP Research 2011-2014 GMC Sierra 2500/3500 Extended/Crew PowerStep - Black

WeatherTech 07-12 Chevrolet Silverado TechLiner - Black

WeatherTech 07-15 Chevrolet Silverado UnderLiner - Black

Go Rhino 4in OE Xtreme SideSteps - Stainless Steel - 52in

Westin 1999-2013 Chevy Silverado 1500 Crew Cab Platinum 4 Oval Nerf Step Bars - Black

Westin Premier 6 in Oval Side Bar - Stainless Steel 91 in - Stainless Steel

Westin 2007-2013 Chevy Silverado 1500 Ext Cab PRO TRAXX 4 Oval Nerf Step Bars - SS

Go Rhino 07-13 Chevrolet Silverado Stake Pocket Bed Rails - Blk

Westin/HDX 07-18 Chevy/GMC Silv/Sierra 15/25/3500 Crew Cab Drop Nerf Step Bars - Textured Black

Frequently Asked Questions

Do these parts fit my 2013 GMC Sierra 3500 HD?

What exterior accessories options are available for my 2013 GMC Sierra 3500 HD?

What brands make parts for the 2013 GMC Sierra 3500 HD?

How fast do 2013 GMC Sierra 3500 HD parts ship?

What warranty do your 2013 GMC Sierra 3500 HD parts come with?