Bed Extender
Expand the cargo capacity of your Sierra with this Bed Extender. Compatible with Bedliners and Tonneau Covers. It swings out to provide additional functional length over an open tailgate, or swings in to create a contained cargo area.

Bedliner
Help protect the bed of your rugged Sierra with a durable Bedliner, complete with a tailgate liner. This Bedliner is fully ribbed, with a skid-resistant floor to help minimize load shifting. Black with GM logo.

Bed Mat
Reduce cargo shifting with this easy-to-install, non-skid, rubber Bed Mat designed to fit the contours of your Sierra precisely. Features the GM logo. Pair it with the Tailgate Liner for total protection.

Bed Net
Help secure items in the bed of your Sierra with this Bed Net. Includes mounting hardware for easy installation.

Bed Rail Protectors
Add style and function to your truck with these easy-to-install, molded Bed Rail Protectors with a patterned surface that complements your Sierra.

Bed Rug
Designed specifically to fit the contours of your Sierra, the Bed Rug features a durable carpet-like surface that resists water, stains, solvents and chemicals. Its molded foam backing helps protect the bed from scratches.

End Gate Handle
Add security to your Sierra with a lockable End Gate Handle, or upgrade your current lock package with a replacement End Gate Handle.

Tailgate Liner
Shield the inside of your Sierra's tailgate from scratches and other damage with this custom-molded ribbed Tailgate Liner. Perfect when paired with the Bed Mat.

Tailgate Protector
Protect the top of the tailgate on your Sierra from damage with the rugged, resilient molding of this Tailgate Protector, custom-designed and engineered to fit your truck.

Tie Down Hooks - Bed Mounted
Enhance the capability of your Sierra with these Tie-Down Hooks, which mount directly into the stake pockets. They recede out of sight when not in use.

Tonneau Cover - Hard Folding
These patented, award-winning Fold-A-Cover® hard folding tonneau covers are engineered to provide quick and easy access to your truck's cargo area, while offering the ultimate protection for your cargo.

Tonneau Cover - Hard Shell
Secure your cargo under this lockable, lightweight, molded-composite Hard Tonneau Cover. Designed to complement Sierra styling, the cover features struts for easy opening and closing, and a quick-release mechanism for easy removal.

Tonneau Cover - Soft Folding
This Soft Tonneau Cover is constructed of durable, lightweight black grained vinyl to help protect truck bed cargo from the elements. The tri-fold design allows for quick and easy installation and removal. Requires Bed Rail Protectors.

Tonneau Cover - Soft Roll-Up
Shield the cargo in your Sierra and help protect the bed itself from harsh weather with this Soft, Roll-Up Tonneau Cover. Constructed with integrated crossbows, it easily rolls up to allow full access to the bed and features an embossed GMC logo.

Tool Box
These hardworking Tool Boxes by UWS A Division of Thule® have many great features; Stainless steel lock handles provide strength, security and rust-free product life. Non-GM warranty. Warranty by Thule® ; for information contact 1-800-238-2388.

Tubular Bed Rails
Enhance the appearance of your Sierra with these stylish Tubular Bed Rails constructed of 2-inch diameter stainless steel tubing with chrome finish.

Bicycle and Ski Carrier Wall Mount
Mounts to any wall surface to conveniently store your bike or skis when not in use. Easy to install within minutes. Includes all hardware.

Hitch-Mounted Bicycle Carrier
Transport up to 4 bikes with a Hitch-Mounted Bicycle Carrier. Conveniently fits into your vehicle's trailer hitch. Carrier tilts away from vehicle for access to rear cargo area.

Hitch-Mounted Bicycle - Ski Carrier Lock Package
Secure your bikes or skis using this specially designed lock system during transporting or storage. Includes two keys.

Hitch-Mounted Ski Carrier
Transport your snowboards or skis on the back of your vehicle by attaching the Hitch-Mounted Ski Carrier to your existing hitch bike carrier (sold separately).

Hitch-Mounted Stowage Compartment
Premium textured ABS hitch cargo box carries up to 13 cubic feet and 150 lbs. Tilts away from the vehicle for rear vehicle access. Fits 1-1/4" or 2" receivers. Non-GM warranty. Warranty by Thule®; for information, please contact 1-800-238-2388.

Roof Rack Cross Rail Package
These stylish Cross Rails attach to the factory Roof Rack to add function to your Sierra. Available in black or bright finish.

Roof Rack Side Rails
Add style and carrying capacity to the roof of your crew cab Sierra with a set of Roof Rack Side Rails. Available in black. Cargo and load capacity limited by weight and distribution. Secure loose items before driving.

Front Floor Console Coin and CD-DVD Holder
Organize things you use everyday in your Sierra with this removable Front Floor Console Coin and CD-DVD Holder. An easy fit into the production floor console, it stores up to six CDs or DVDs.

Front Floor Console Cup Holder
Add two additional beverage holders to your Sierra with this Front Floor Console Cup Holder Insert. Fits easily into the production floor console.

Front Floor Console Organizer
Designed for exact fit, this organizer transforms the tall bin into a two-tiered storage compartment. Larger items can be stored below the organizer, while smaller items, such as CD's, DVD's, cell phones, etc. can be stored in the organizer itself.

Underseat Storage Box
Contain, organize and conceal items under the rear seat of your Sierra with this durable molded plastic Underseat Storage Box.

Bed Divider - Sliding
Organize the bed area of your Sierra with this sturdy, metal mesh Sliding Bed Divider. It slides on the Cargo Management System rails to help you organize cargo within the pickup bed.

Cargo Management System
The rail system featuring rails which run the length of the bed sides and behind the cab and incorporate upper and lower tracks and four sliding tie down brackets. Enables the use of an overhead utility rack, sliding toolbox, sliding bed divider and more.

Center High Mount Stop Lamp
This Center High Mount Stop Lamp is required to meet Federal safety standards when using an Overhead Utility Rack as part of the Cargo Management System.

Ladder Rack
Engineered to deliver tough load support, these Rack Systems and Ladder Racks by TracRac® A Division of Thule® are geared specifically for all trade professionals. Non-GM warranty. Warranty by Thule® ; for information contact 1-800-238-2388.

Overhead Utility Rack - Load Stops
Increase the cargo-carrying capacity of your Sierra with this pack of four additional, adjustable Overhead Utility Rack Load Stops.

Overhead Utility Rack or Bed Divider
Add cargo management versatility to your truck bed with these Overhead Bed Dividers or an Overhead Utility Rack. Overhead Bed Divider shown.

Pickup Bed Motorcycle Wheel Chock
Safely secure your bike to this Pickup Bed Motorcycle Wheel Chock designed specifically for your vehicle. It mounts to the Cargo Management System rail (available seperately) located at the front of the truck bed.

Tie-Down Brackets - Sliding
Increase the versatility and functionality of the Cargo Management System in your Sierra with this package of two additional Sliding Tie-Down Hooks.

Cable - Portable Music Player
This interface cable connects the headphone jack on your portable music player to the auxiliary jack on your car stereo system, allowing you to listen to music from your portable music device through your vehicle's stereo speakers.

Driver Information Center
Provides access to vehicle information and personalization options with the touch of a button. Set vehicle and driver preferences such as locking, lighting and seating options. View vehicle information such as average fuel economy, fuel range and more.

Heated Seat Kit
Bask in warmth with this factory upgrade to Heated Seats for your Sierra. Available for cloth or leather seats with switches that match the interior of your vehicle.

Personal Audio Link (PAL)
The Personal Audio Link (PAL) provides iPod functionality by using the vehicle's radio controls It allows you to select artist, album, genre and playlists, as well as listen to audio books and podcasts.

Radio - Navigation
The Navigation Radio utilizes Global Positioning System (GPS) technology and is seamlessly integrated into your Sierra. Features a single slot player for the navigation DVD/CD, AM/FM/XM( if vehicle is XM equipped) Radio and 6.5-inch LCD touch screen.

Radio - XM Satellite
Enjoy commercial-free music, sports, news and talk, comedy, family programming and more in clear digital sound from coast-to-coast with XM Satellite Radio. GM dealer-installed XM means you get professional, hassle-free installation. No 2011MY.

Remote Start
By pressing a button on the key fob, the Remote Start system starts your parked vehicle. Great for pre-warming or pre-cooling your Sierra. Seamlessly integrated with your vehicle's anti-theft and remote keyless entry systems.

RSE - DVD Player - Overhead Installation Kit
This Portable DVD Player Docking Station lets you secure your Portable DVD Player to the headliner of your Sierra in a system that is seamlessly integrated with the interior trim. Must be used in combination with Portable DVD Player.

RSE - DVD Player - Overhead Portable
This Portable DVD Player with 10.2" screen integrates perfectly into the overhead of your Crew Cab Sierra. Rear-seat passengers will enjoy it en route. Then remove it for use outside your vehicle. Must be used with Portable DVD Player Docking Station.

RSE - Headphones
These dual-channel wireless Headphones are a great solution for families needing an additional or replacement set. Standard headphones or premium Noise Canceling styles available. Compatible with GM factory and Accessory rear seat entertainment systems.

RSE - Head Restraint DVD - Security Cover
Protect your Headrest DVD System with this easy to install, slip-on security cover.

RSE - Head Restraint DVD System
This Dual DVD Rear Seat Entertainment System features two 7-inch color monitors, two top-loading DVD/CD/MP3 players, two wireless headphones and one remote control. This accessory system is not compatible with the factory rear seat entertainment option.

RSE - Remote Control
Additional or replacement Remote Control for use with Headrest DVD System.

Vehicle Security System
Tailgate Theft Deterrent System activates vehicle alarm if unwanted opening of tailgate is detected; Vehicle Security Shock Sensor Package sounds the horn and/or flashes the lights when someone or something strikes the vehicle.

Wheel Theft Deterrent System
Help deter unauthorized jacking (such as tire/wheel theft) or towing with an inclination sensor. Wired directly into your vehicle's content theft-deterrent system to activate your vehicle's alarm if a change in its parked angle is detected.

Assist Steps
Stylish Tubular Assist Steps with textured step pads make it easier to get in and out of your Sierra. Available in 3" round or 6" oval, with either chrome or black powder coat finish. Both finishes add great style and excellent corrosion protection.

Door Handles
Style becomes you when you accessorize your Sierra with these Chrome Outside Door Handles.

Fog Lamps
The illuminating beam of these Fog Lamps minimizes glare while adding safety and security to your driving experience.

Fuel Door
Add personality to the exterior of your Sierra with this stylish Chrome Fuel Door.

Grille
Go for the ultimate in personalization with these 2 sporty Grilles. One is a custom chrome replacement and the other is a highly polished billet style grille that bolts over the existing grille. Light Duty Model Billet style grille pictured.

Molded Hood Protector
Deflect road debris and insects while helping to shield the hood of your Sierra from stone damage with this custom-designed Molded Hood Protector. Provides a precise fit by following your hood’s contour. Available in Chrome and Smoke.

Outside Rear View Mirror Cover
Help your Sierra make a fashion statement with our Outside Rearview Mirror Covers. Available in chrome and select body colors.

Outside Rear View Mirrors
These Outside Rear View Mirrors are convenient when you're getting away from it all. They feature a wide field of vision, and they manually extend further outward than the regular production mirrors to help make it easier to maneuver your camper or trail

Reflective Triangle
Signal caution to other drivers with this Reflective Triangle, which folds up into a convenient carrying case when not in use.

Side Window Weather Deflector
Let fresh air in and keep rain, sleet and snow out with these dual function vent-and-visor Side Window Weather Deflectors. Custom molded to fit your Sierra, they help reduce wind noise and sunlight glare.

Splash Guards - Front Molded
Help protect your Sierra from tire splash and mud with these Molded Splash Guards that fit directly behind your front wheels. Available in textured black, as well as select body colors.

Splash Guards - Front or Rear Contoured
Help protect your Sierra from tire splash and mud with these Contoured Splash Guards. Front or Rear set, black with GMC logo.

Splash Guards - Rear Flat
Help protect your Sierra from tire splash and mud with these black Flat Splash Guards that fit directly behind your rear wheels.

Splash Guards - Rear Molded
Help protect your Sierra from tire splash and mud with these Molded Splash Guards that fit directly behind your rear wheels. Available in textured black, as well as select body colors.

Sunroof Weather Deflector
Help deflect road dust and debris while helping to shade the front seat of your Sierra from sun glare with this Sunroof Weather Deflector. Available in smoke.

Tow Hooks
Add functionality and enhance the appearance of your Sierra with chrome or black Tow Hooks. These front hooks are for vehicle recovery only.

Wheel House Liner
This black Wheel House Liner helps protect the rear wheel house of your truck from damage caused by rocks, dirt, salt, road debris and weather elements. It also enhances your truck's appearance by providing a more finished look.

Door Sill Plates
Enhance the appearance of the door sills on your Sierra with either stylish Illuminated or Brushed Stainless Door Sill Plates.

Door Step Shields
The Door Step Shields complement the Door Sill Plates. The custom-molded, scratch-resistant brushed stainless steel provides added protection to the entry area of your Sierra.

Fire Extinguisher
Be prepared! Keep this Fire Extinguisher in your vehicle in case of emergency. Includes mounting hardware.

First Aid Kit
Be ready for minor medical emergencies with this popular First Aid Kit that is small, compact, and filled with a wide range of first aid items.

Floor Mats - Front Carpet Replacements
These Carpet Replacement Floor Mats for the front of your Sierra Denali duplicate your original production floor mats exactly.

Floor Mats - Front Molded Carpet
These custom-molded carpet floor mats provide an exact fit to the floor of your vehicle for superior protection. The moisture-barrier carpet and raised edges keeps mud, snow and dirt away from your vehicle's floor.

Floor Mats - Front Premium All Weather
These Premium All Weather Floor Mats for your Sierra have a custom-designed, deep-ribbed pattern that collects rain, mud, snow, and other debris for easy cleaning. Nibs on the back help keep them in place. Available in black with GMC logo.

Floor Mats - Front Vinyl Replacement
These Front Vinyl Replacement Floor Mats duplicate your Sierra's original production floor mats exactly.

Floor Mats - Rear Carpet Replacements
These Carpet Replacement Floor Mats for the rear seat of your Sierra Denali duplicate your original production floor mats exactly.

Floor Mats - Rear Molded Carpet
These custom-molded carpet floor mats provide an exact fit to the floor of your vehicle for superior protection. The moisture-barrier carpet and raised edges keeps mud, snow, and debris contained for easy cleaning.

Floor Mats - Rear Premium All Weather
A one-piece Rear Premium All Weather Floor Mat is available for your Sierra to help collect rain, mud, snow and debris. Featuring a custom deep-ribbed pattern, nibs on the back help hold the mat in place and conform to the interior of your Sierra.

Floor Mats - Rear Vinyl Replacement
These Rear Vinyl Replacement Floor Mats provide an exact fit to the rear floor of your Sierra for superior protection.

Roadside Assistance Package
This roll-up Roadside Assistance Package includes a variety of items that help keep you safe and get you back on the road. Contents include bungee cords, flashlight, fuse kit, gloves, pliers, tape, rag, poncho, screwdriver and tire pressure gauge.

Seat Covers - Front
Upgrade your interior with these custom-fit, engineered fabric seat covers. Available for bucket or bench seats, they're designed for exact fit and luxurious feel. Includes embroidered GMC logo on headrest.

Seat Covers - Second Row
These custom-fit, durable Seat Covers are designed to modify the interior look of your vehicle. The engineered vinyl material protects the seat from spills, dust, mud and overall wear and tear.

Smoker's Package
Convenient for those who choose to smoke in their vehicle.

Cat-Back Exhaust System
Constructed of T-304 stainless steel with free-flowing mandrel bent tubing. Features semi-polished muffler that meets all Federal decibel requirements. Performance-provides aggressive growl; Touring a throaty purr.. Exhaust tips are welded to tailpipe.

Exhaust Tip - OE or Cat-Back
These highly polished stainless steel Exhaust Tips add a sporty appearance to the exterior of your Sierra or Sierra Denali. 4.8L and 5.3L tips feature the GMC Logo.

Performance Air Intake
The free-breathing air filter does not require oil, which can interfere with computer sensors. The aluminum lid has the GM Performance Parts logo and is VMC'd (Vapor Metal Coated) for a durable and highly polished look.

Tire Inflator
Take comfort when you carry this Tire Sealant and Inflator Kit in your Sierra. The air compressor-and-sealant kit, powered by your vehicle's 12-volt outlet, lets you seal and inflate a flat tire when a spare is not available.

Hitch Ball Assembly
This standard size Hitch Ball Assembly comes complete with a chrome finish tow ball, washer, and retaining nut. Designed to fit your vehicle's hitch or ball mount assembly (sold separately).

Hitch Ball Mount Assembly
This standard size ball mount package contains the tubular steel welded ball mount, retainer pin, and clip for easy installation and removal. Available in different height offsets to meet your towing needs. Standard ball assemblies also available.

Hitch Pin - Locking
Protect your trailering products with this locking hitch pin. This heavy duty hitch pin securely locks a ball mount to your vehicle's 2" trailer hitch receiver.

Hitch Trailering Package
This welded structural steel Hitch Trailering Package features a standard receiver to fit most ball mount assemblies for your towing needs.

Hitch Trailering Package - Transmission Cooler - Auxilliary
Transmission Cooler Package prevents overheating and provides extra cooling for your automatic transmission fluid when hauling or towing heavy loads.

Trailer Wiring Adapter
Utilize your trailer wiring harness to power other devices through the custom-designed adapter that converts a 7-pin trailer harness to a 12-Volt power outlet. The 7-pin to 4-pin adapter allows for easy connection when only a standard 4-pin is needed.

20 Inch Wheel - CK370
Personalize your Sierra with these 20-inch 6-Spoke Flared cast wheels featuring a brilliant, durable chrome finish. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK925
Customize your Sierra with these 20-Inch 5-Spoke Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK928
Customize your Sierra with these 20-Inch 8-Spoke Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK945
Customize your Sierra with these 20-Inch 6-Spoke-Split V Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK948
Customize your Sierra with these 20-Inch 6-Spoke Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK951
Customize your Sierra with these 20-Inch 5-Spoke Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK994
Customize your Sierra with these 20-Inch 6-Spoke Double Split Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

20 Inch Wheel - CK997
Customize your Sierra with these 20-Inch 6-Spoke Flared Chrome Wheels. Available with center caps that feature the GMC logo. Finish the custom look with available lug nuts and wheel locks. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 inch Wheel - CK347
These beautiful 22-inch 12-Spoke-Split chrome wheels take maximum advantage of Sierra's ability to handle larger-diameter wheels and set your vehicle apart from the crowd. Faceted forms available in a lustrous finish to make an emphatic styling statement. GMC accessory wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 Inch Wheel - CK366
The crown jewels: These beautiful 22-inch 6-Spoke-Split aluminum alloy wheels take maximum advantage of Sierra's engineered-in ability to handle large-diameter wheels. Faceted forms available in a lustrous chrome finish make an emphatic style statement. GMC Accessory 22-inch wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 Inch Wheel - CK375
The crown jewels: These beautiful 22-inch 8-Spoke aluminum alloy wheels take maximum advantage of Sierra's engineered-in ability to handle large-diameter wheels. Faceted forms available in a lustrous chrome finish make an emphatic style statement. GMC Accessory 22-inch wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 Inch Wheel - CK798
The crown jewels: These beautiful 22-inch 12-Spoke-Split aluminum alloy wheels take maximum advantage of Sierra's engineered-in ability to handle large-diameter wheels. Faceted forms available in a two-tone finish - black gloss center with polished outer rim - makes an emphatic style statement. GMC Accessory 22-inch wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 Inch Wheel - CK910
The Crown Jewels: This beautiful 22-inch 12-Spoke Flared aluminum alloy wheel takes maximum advantage of Sierra’s ability to handle large-diameter wheels. A faceted form in a lustrous chrome finish makes an emphatic style statement. Validated to GM specifications. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 inch Wheel - CK913
These beautiful 6-Spoke-Split V 22-inch chrome accessory wheels take maximum advantage of Sierra's ability to handle large-diameter wheels. Faceted forms available in a lustrous finish make an emphatic style statement. GMC accessory wheels are available with a choice of matching GMC logo center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessoriezone.com for important tire and wheel information.

22 Inch Wheel - CK916
The crown jewels: These beautiful 22-inch 8-Spoke aluminum alloy wheels take maximum advantage of Sierra's engineered-in ability to handle large-diameter wheels. Faceted forms available in a lustrous chrome finish make an emphatic style statement. GMC Accessory 22-inch wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.

22 inch Wheel - CK919
These beautiful 6-Spoke 22-inch chrome accessory wheels take maximum advantage of Sierra's ability to handle large-diameter wheels. Faceted forms available in a lustrous finish make an emphatic style statement. GMC accessory wheels are available with a choice of matching GMC logo center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessoriezone.com for important tire and wheel information.

22 Inch Wheel - CK922
The crown jewels: These beautiful 22-inch 6-Spoke Flared aluminum alloy wheels take maximum advantage of Sierra's engineered-in ability to handle large-diameter wheels. Faceted forms available in a lustrous chrome finish make an emphatic style statement. GMC Accessory 22-inch wheels are available with a choice of matching GMC center caps and chrome lug nuts. Use only GM-approved wheel and tire combinations. See www.gmaccessorieszone.com for important tire and wheel information.