635+ 2013 GMC Sierra 3500 HD Exterior Accessories Parts - Page 4

Exterior Accessories (635 products)

Putco

Part # 9751210

Choose Trim

Putco 07-13 GMC Sierra Extended Cab 8ft Long Box - 6in Wide - 12pcs Stainless Steel Rocker Panels

$372.15

Westin

Part # 27-6630

Choose Trim

Westin Sure-Grip Aluminum Running Boards 79 in - Polished

$389.98

Dee Zee

Part # DZ95250TB

Fits All Trims

Deezee 07-23 Chevrolet Silverado Cargo Management Cab Rack (Txt Black)

$488.15

Putco

Part # 89891

Fits All Trims

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

$580.61

Husky Liners

Part # 55101

Fits All Trims

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

$99.99

Dee Zee

Part # DZ372517

Choose Trim

Deezee 14-18 Chevrolet Silverado Tubes - 4In Oval Stainless Polished (RegCab)

$467.10

Dee Zee

Part # DZ16411

Choose Trim

Deezee Universal Tubes - 6In Oval - Brite Tread Aluminum (ExtCab)

$329.56

Dee Zee

Part # DZ86700

Fits All Trims

Deezee Universal Tailgate Mat - Full Size

$56.45

Westin

Part # 28-71025

Choose Trim

Westin 2007-2018 Chevy Silverado Ext/Dbl Cab R7 Nerf Step Bars - Black

$585.73

Thule

Part # 43002XT

Fits All Trims

Thule TracRac SR Sliding Overhead Truck Rack - Full Size (RACK ONLY/Req. SR Base Rails) - Silver

$1031.60

Westin

Part # 21-1955

Fits All Trims

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

$302.68

Dee Zee

Part # DZ43102

Fits All Trims

Deezee 07-18 Chevrolet Silverado Tailgate Assist Shock

$30.68

Dee Zee

Part # DZ97903

Fits All Trims

Deezee 07-23 Chevrolet Silverado/Colorado/Canyon Cargo Management - Tie Downs (Pair)

$21.86

Dee Zee

Part # DZ97970

Fits All Trims

Deezee Universal Chevrolet Silverado/ColoradoTundra Tailgate Lock

$15.48

Dee Zee

Part # DZ1808

Fits All Trims

Deezee Universal Flaps Brite-Tread Universal 11x19 Notched (Blk)

$27.12

Dee Zee

Part # DZ17939

Fits All Trims

Deezee Universal Flaps Plastic Universal 11Inx18In Notched

$20.48

AMP Research

Part # 75400-01A

Fits All Trims

AMP Research 1999-2013 Chevrolet Silverado All Beds BedStep2 - Black

$329.99

Putco

Part # 529004

Fits All Trims

Putco Blade Quick Connect Tailgate Wiring Harness

$93.99

Westin

Part # 28-51020

Choose Trim

Westin 2007-2018 Chevy Silverado 1500/2500/3500 Ext/Dbl Cab R5 Nerf Step Bars - SS

$654.99

Dee Zee

Part # DZ16412

Choose Trim

Deezee Universal Tubes - 6In Oval - Black Tread Aluminum (ExtCab)

$317.58

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)

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Other GMC Sierra 3500 HD Years

Exterior Accessories (635 products)

Putco 07-13 GMC Sierra Extended Cab 8ft Long Box - 6in Wide - 12pcs Stainless Steel Rocker Panels

Westin Sure-Grip Aluminum Running Boards 79 in - Polished

Deezee 07-23 Chevrolet Silverado Cargo Management Cab Rack (Txt Black)

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

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

Deezee 14-18 Chevrolet Silverado Tubes - 4In Oval Stainless Polished (RegCab)

Deezee Universal Tubes - 6In Oval - Brite Tread Aluminum (ExtCab)

Deezee Universal Tailgate Mat - Full Size

Westin 2007-2018 Chevy Silverado Ext/Dbl Cab R7 Nerf Step Bars - Black

Thule TracRac SR Sliding Overhead Truck Rack - Full Size (RACK ONLY/Req. SR Base Rails) - Silver

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

Deezee 07-18 Chevrolet Silverado Tailgate Assist Shock

Deezee 07-23 Chevrolet Silverado/Colorado/Canyon Cargo Management - Tie Downs (Pair)

Deezee Universal Chevrolet Silverado/ColoradoTundra Tailgate Lock

Deezee Universal Flaps Brite-Tread Universal 11x19 Notched (Blk)

Deezee Universal Flaps Plastic Universal 11Inx18In Notched

AMP Research 1999-2013 Chevrolet Silverado All Beds BedStep2 - Black

Putco Blade Quick Connect Tailgate Wiring Harness

Westin 2007-2018 Chevy Silverado 1500/2500/3500 Ext/Dbl Cab R5 Nerf Step Bars - SS

Deezee Universal Tubes - 6In Oval - Black Tread Aluminum (ExtCab)

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?