105+ 2018 GMC Sierra 3500 HD Cargo & Racks Base Parts - Page 2

Base · Cargo & Racks (105 products)

Exact-fit parts for the 2018 GMC Sierra 3500 HD Base.

Dee Zee

Part # DZ9170TB

Confirmed Fit

Deezee Universal Tool Box - Blue Crossover - Single Lid (Txt Blk)

$1049.18

Dee Zee

Part # DZ59TB

Confirmed Fit

Deezee Universal Tool Box - Specialty 60In Topsider Black BT Alum (Txt Blk)

$803.65

Rhino-Rack

Part # RLKVAH

Confirmed Fit

Rhino-Rack 2500 Leg Kit for Vortex Bar - Half - 2 pcs

$139.99

Dee Zee

Part # DZ16318

Confirmed Fit

Deezee 14-19 Chevrolet Silverado Running Board Diesel NXt Bracket Kit

$131.58

Dee Zee

Part # DZ95053

Confirmed Fit

Deezee Universal Cargo Management Ladder Rack

$223.90

Dee Zee

Part # DZ9170L

Confirmed Fit

Deezee Universal Tool Box - Blue Crossover - Single Lid (Low)

$1033.01

Dee Zee

Part # DZ8370SB

Confirmed Fit

Deezee Universal Tool Box - Hardware Crossover - Double Lid Black

$602.53

Dee Zee

Part # DZ8370WH

Confirmed Fit

Deezee Universal Tool Box - Red Crossover - Double BT Alum (White)

$521.82

Dee Zee

Part # DZ10170LTB

Confirmed Fit

Deezee Universal Tool Box - Red Crossover - Single Lid Black BT Pull Handle (Low/Txt Blk)

$480.82

Dee Zee

Part # DZ70TB

Confirmed Fit

Deezee Universal Tool Box - Specialty 48In Topsider Black BT Alum (Txt Blk)

$496.69

Dee Zee

Part # DZ79TB

Confirmed Fit

Deezee Universal Tool Box - Specialty Topsider Black BT Alum

$867.57

Dee Zee

Part # DZ79

Confirmed Fit

Deezee Universal Tool Box - Specialty Topsider BT Alum

$816.59

Dee Zee

Part # DZ79WH

Confirmed Fit

Deezee Universal Tool Box - Specialty Topsider White BT Alum

$924.51

Truxedo

Part # 1117416

Confirmed Fit

Truxedo Full Size Truck (Non Flareside/Stepside/Composite Bed) TonneauMate Toolbox

$529.99

Thule

Part # 710501

Confirmed Fit

Thule Evo Clamp Load Carrier Feet (Vehicles w/o Pre-Existing Roof Rack Attachment Points) - Black

$278.92

Go Rhino

Part # D64052TK

Confirmed Fit

Go Rhino 07-10 Chevrolet Silverado 2500HD/3500HD Brackets for Dominator Extreme SideSteps

$154.99

Thule

Part # 24002XT

Confirmed Fit

Thule TracRac Cantilever Full Size XT Extension (69.5in. Crossbar) - Silver

$542.08

Dee Zee

Part # DZ67WH

Confirmed Fit

Deezee Universal Tool Box - Specialty 96In Topsider White BT Alum

$1099.84

Dee Zee

Part # DZ8170LTB

Confirmed Fit

Deezee Universal Tool Box - Red Crossover - Single Lid Black BT (Low/Txt Blk)

$443.02

Dee Zee

Part # DZ93170TB

Confirmed Fit

Deezee Universal Tool Box - Platinum Crossover - Single Lid

$1265.25

Frequently Asked Questions

Do these parts fit my 2018 GMC Sierra 3500 HD Base?

This page groups parts listed for the 2018 GMC Sierra 3500 HD Base. 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 cargo & racks options are available for my 2018 GMC Sierra 3500 HD Base?

We offer a wide selection of cargo & racks parts for the 2018 GMC Sierra 3500 HD Base. 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 2018 GMC Sierra 3500 HD Base?

We carry parts from trusted brands including Dee Zee, BackRack, Go Rhino, Putco, and Rhino-Rack, plus many more. Filter by brand to find your preferred manufacturer.

How fast do 2018 GMC Sierra 3500 HD Base 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 2018 GMC Sierra 3500 HD Base 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.

2018 GMC Sierra 3500 HD(3,671 parts)

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Other GMC Sierra 3500 HD Years

2018 GMC Sierra 3500 HD(3,671 parts)

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Other GMC Sierra 3500 HD Years

Base · Cargo & Racks (105 products)

Deezee Universal Tool Box - Blue Crossover - Single Lid (Txt Blk)

Deezee Universal Tool Box - Specialty 60In Topsider Black BT Alum (Txt Blk)

Rhino-Rack 2500 Leg Kit for Vortex Bar - Half - 2 pcs

Deezee 14-19 Chevrolet Silverado Running Board Diesel NXt Bracket Kit

Deezee Universal Cargo Management Ladder Rack

Deezee Universal Tool Box - Blue Crossover - Single Lid (Low)

Deezee Universal Tool Box - Hardware Crossover - Double Lid Black

Deezee Universal Tool Box - Red Crossover - Double BT Alum (White)

Deezee Universal Tool Box - Red Crossover - Single Lid Black BT Pull Handle (Low/Txt Blk)

Deezee Universal Tool Box - Specialty 48In Topsider Black BT Alum (Txt Blk)

Deezee Universal Tool Box - Specialty Topsider Black BT Alum

Deezee Universal Tool Box - Specialty Topsider BT Alum

Deezee Universal Tool Box - Specialty Topsider White BT Alum

Truxedo Full Size Truck (Non Flareside/Stepside/Composite Bed) TonneauMate Toolbox

Thule Evo Clamp Load Carrier Feet (Vehicles w/o Pre-Existing Roof Rack Attachment Points) - Black

Go Rhino 07-10 Chevrolet Silverado 2500HD/3500HD Brackets for Dominator Extreme SideSteps

Thule TracRac Cantilever Full Size XT Extension (69.5in. Crossbar) - Silver

Deezee Universal Tool Box - Specialty 96In Topsider White BT Alum

Deezee Universal Tool Box - Red Crossover - Single Lid Black BT (Low/Txt Blk)

Deezee Universal Tool Box - Platinum Crossover - Single Lid

Frequently Asked Questions

Do these parts fit my 2018 GMC Sierra 3500 HD Base?

What cargo & racks options are available for my 2018 GMC Sierra 3500 HD Base?

What brands make parts for the 2018 GMC Sierra 3500 HD Base?

How fast do 2018 GMC Sierra 3500 HD Base parts ship?

What warranty do your 2018 GMC Sierra 3500 HD Base parts come with?