Sierra 3500 HD Accessories

Adding accessories to your Sierra 2500HD and 3500HD is as easy as talking to your GMC dealership's sales and service staff. GMC Accessories can be installed right at the dealership before you take delivery — or even when you stop in for an oil change. And every GMC Accessory is professionally designed, engineered, tested and backed to GMC's standards for quality, convenience and peace of mind.

Select Accessories
  • Bed Extender - Associated Accessories
    Bed Extender - Associated Accessories
    MSRP - $249
     
  • Bed Lighting
    Bed Lighting
    MSRP - $135
     
  • Bed Mat - Associated Accessories
    Bed Mat - Associated Accessories
    MSRP - $169
     
  • Bed Net
    Bed Net
    MSRP - $50
     
  • Bed Protection - Carpet
    Bed Protection - Carpet
    MSRP - $475
     
  • Bed Protection - Liners
    Bed Protection - Liners
    MSRP - $305
     
  • Bed Protection - Mats
    Bed Protection - Mats
    MSRP - $145
     
  • Sport Bar
    Sport Bar
    MSRP - $995
     
  • Tailgate Handle
    Tailgate Handle
    MSRP - $100
     
  • Tailgate Liner
    Tailgate Liner
    MSRP - $50
     
  • Tailgate Mat - Associated Accessories
    Tailgate Mat - Associated Accessories
    MSRP - $49
     
  • Tonneau Cover - Hard
    Tonneau Cover - Hard
    MSRP - $945
     
  • Tonneau Cover - Retractable  - Associated Accessories
    Tonneau Cover - Retractable - Associated Accessories
    MSRP - $1,299
     
  • Tonneau Cover - Soft
    Tonneau Cover - Soft
    MSRP - $495 to $575
     
  • Tonneau Cover - Soft Roll-Up - Associated Accessories
    Tonneau Cover - Soft Roll-Up - Associated Accessories
    MSRP - $329
     
  • Tool Box
    Tool Box
    MSRP - $535
     
  • Tool Box - Associated Accessories
    Tool Box - Associated Accessories
    MSRP - $279 to $800
     
  • Tool Box - Swing Out - Associated Accessories
    Tool Box - Swing Out - Associated Accessories
    MSRP - $199
     
  • Truck Tent - Associated Accessories
    Truck Tent - Associated Accessories
    MSRP - $270
     
  • Tonneau Cover - Hard Folding - Quad-Fold - Associated Accessories
    Tonneau Cover - Hard Folding - Quad-Fold - Associated Accessories
    MSRP - $1,079 to $1,639
     
  • Tonneau Cover - Hard Rolling - Associated Accessories
    Tonneau Cover - Hard Rolling - Associated Accessories
    MSRP - $999
     
  • Tool Box for REV Rolling Cover - Associated Accessories
    Tool Box for REV Rolling Cover - Associated Accessories
    MSRP - $329
     
  • Bed/Roof-Mounted Bicycle Carrier - Wheel Mount - Associated Accessories
    Bed/Roof-Mounted Bicycle Carrier - Wheel Mount - Associated Accessories
    MSRP - $199
     
  • Bed Storage  - GearOn™
    Bed Storage - GearOn™
    MSRP - $300
     
  • Hitch-Mounted Bicycle Carrier - Associated Accessories
    Hitch-Mounted Bicycle Carrier - Associated Accessories
    MSRP - $49 to $299
     
  • Hitch-Mounted Ski Carrier - Associated Accessories
    Hitch-Mounted Ski Carrier - Associated Accessories
    MSRP - $249
     
  • Ladder Rack - Associated Accessories
    Ladder Rack - Associated Accessories
    MSRP - $319 to $749
     
  • Roof Rack Kit - Associated Accessories
    Roof Rack Kit - Associated Accessories
    MSRP - $449
     
  • Bed Tie-Down Rings
    Bed Tie-Down Rings
    MSRP - $55 to $100
     
  • Cargo Organizer
    Cargo Organizer
    MSRP - $35
     
  • Under Seat Storage
    Under Seat Storage
    MSRP - $200
     
  • Audio - Associated Accessories
    Audio - Associated Accessories
    MSRP - $659
     
  • Camera System – Associated Accessories
    Camera System – Associated Accessories
    MSRP - $349 to $999
     
  • Headphones - Associated Accessories
    Headphones - Associated Accessories
    MSRP - $149
     
  • Radio - Navigation
    Radio - Navigation
    MSRP - $975
     
  • Radio System – Associated Accessories
    Radio System – Associated Accessories
    MSRP - $999
     
  • Rear Seat Entertainment System
    Rear Seat Entertainment System
    MSRP - $1,995
     
  • Remote Start Kit
    Remote Start Kit
    MSRP - $275
     
  • Wireless Headphones
    Wireless Headphones
    MSRP - $100
     
  • Wireless Network Interface
    Wireless Network Interface
    MSRP - $535
     
  • Trailer Wiring Harness
    Trailer Wiring Harness
    MSRP - $125
     
  • Assist Steps - Off-Road
    Assist Steps - Off-Road
    MSRP - $795
     
  • Assist Steps - Rectangular
    Assist Steps - Rectangular
    MSRP - $650 to $700
     
  • Assist Steps - Retractable
    Assist Steps - Retractable
    MSRP - $325
     
  • Assist Steps - Round
    Assist Steps - Round
    MSRP - $600 to $650
     
  • Bed Side Rails - Associated Accessories
    Bed Side Rails - Associated Accessories
    MSRP - $289 to $619
     
  • Bodyside Molding
    Bodyside Molding
    MSRP - $200
     
  • Bodyside Molding Package - Associated Accessories
    Bodyside Molding Package - Associated Accessories
    MSRP - $225 to $250
     
  • Decal/Stripe Package
    Decal/Stripe Package
    MSRP - $80
     
  • Door Handles
    Door Handles
    MSRP - $145
     
  • Fender Flares
    Fender Flares
    MSRP - $600 to $650
     
  • Fender Flares - Associated Accessories
    Fender Flares - Associated Accessories
    MSRP - $399 to $449
     
  • Fog Lamps
    Fog Lamps
    MSRP - $995
     
  • Fuel Door
    Fuel Door
    MSRP - $155
     
  • Grille
    Grille
    MSRP - $495
     
  • Grille Cover Package
    Grille Cover Package
    MSRP - $65
     
  • License Plate Frame - Associated Accessories
    License Plate Frame - Associated Accessories
    MSRP - $29
     
  • Molded Hood Protector - Associated Accessories
    Molded Hood Protector - Associated Accessories
    MSRP - $89 to $165
     
  • Side Window Weather Deflector - Associated Accessories
    Side Window Weather Deflector - Associated Accessories
    MSRP - $95 to $115
     
  • Skid Plate
    Skid Plate
    MSRP - $250
     
  • Splash Guards - Flat
    Splash Guards - Flat
    MSRP - $25 to $30
     
  • Splash Guards - Molded
    Splash Guards - Molded
    MSRP - $50 to $115
     
  • Stake Pocket Push Up Tie Downs - Associated Accessories
    Stake Pocket Push Up Tie Downs - Associated Accessories
    MSRP - $109 to $129
     
  • Trailering Mirrors
    Trailering Mirrors
    MSRP - $625 to $725
     
  • Underbody Shield - Associated Accessories
    Underbody Shield - Associated Accessories
    MSRP - $259
     
  • Wheel House Liner
    Wheel House Liner
    MSRP - $120
     
  • Window Trim - Associated Accessories
    Window Trim - Associated Accessories
    MSRP - $99 to $159
     
  • Cargo Organizer
    Cargo Organizer
    MSRP - $50
     
  • Door Sill Plates - Non-Illuminated
    Door Sill Plates - Non-Illuminated
    MSRP - $125
     
  • Floor Liners - Premium All-Weather
    Floor Liners - Premium All-Weather
    MSRP - $80
     
  • Floor Mats - Carpet Replacement
    Floor Mats - Carpet Replacement
    MSRP - $80 to $100
     
  • Floor Mats - Premium All-Weather
    Floor Mats - Premium All-Weather
    MSRP - $70 to $90
     
  • Floor Mats - Vinyl Replacement
    Floor Mats - Vinyl Replacement
    MSRP - $50 to $65
     
  • Interior Trim
    Interior Trim
    MSRP - $250
     
  • Seat Covers - Associated Accessories
    Seat Covers - Associated Accessories
    MSRP - $59
     
  • Seat Protector - Fitted
    Seat Protector - Fitted
    MSRP - $295
     
  • Smoker's Package
    Smoker's Package
    MSRP - $25 to $55
     
  • Sunshade Package - Front
    Sunshade Package - Front
    MSRP - $100
     
  • Exhaust Tip
    Exhaust Tip
    MSRP - $105
     
  • Reflective Triangle
    Reflective Triangle
    MSRP - $15
     
  • Wheel Lock Kit
    Wheel Lock Kit
    MSRP - $40 to $50
     
  • 7-Way Electrical Extension  - Associated Accessories
    7-Way Electrical Extension - Associated Accessories
    MSRP - $69
     
  • Brake Controller Package - Associated Accessories
    Brake Controller Package - Associated Accessories
    MSRP - $95
     
  • Fifth Wheel Hitch Package - Associated Accessories
    Fifth Wheel Hitch Package - Associated Accessories
    MSRP - $939 to $1,539
     
  • Gooseneck Hitch Package
    Gooseneck Hitch Package
    MSRP - $295
     
  • Gooseneck Hitch Package - Associated Accessories
    Gooseneck Hitch Package - Associated Accessories
    MSRP - $149 to $499
     
  • Hitch Ball Assembly
    Hitch Ball Assembly
    MSRP - $20 to $25
     
  • Hitch Ball Mount Assembly
    Hitch Ball Mount Assembly
    MSRP - $30 to $40
     
  • Hitch Trailering Package
    Hitch Trailering Package
    MSRP - $455
     
  • Tow Hooks
    Tow Hooks
    MSRP - $200
     
  • Trailer Hitch Pin
    Trailer Hitch Pin
    MSRP - $40
     
  • Trailer Wiring Adapter
    Trailer Wiring Adapter
    MSRP - $35 to $40
     
  • Lug Nuts
    Lug Nuts
    MSRP - $10
     
  • 20-Inch Wheels - 5-Spoke Polished Aluminum w/ Painted Pockets (SEO)
    20-Inch Wheels - 5-Spoke Polished Aluminum w/ Painted Pockets (SEO)
    MSRP - $40 to $50