2018 GMC Sierra 1500 Tonneau Cover Parts

Choose your Submodel for your 2018 GMC Sierra 1500


Showing 1 - 10 of 133 products
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Extang
  • Solid Fold 2.0 Toolbox - 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 8
  • Black Textured Paint With Existing Tool Box Tool Box Not Included
  • Solid Fold 2.0 Tool Box Tonneau Cover - Black Textured Paint - For Use w/Existing Tool Box - Tool Box Not Included - 2014-2018 (2019 Legacy/Limited) Chevy Silverado/GMC Sierra 1500/2015-2019 2500 HD/3500 HD 8' Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: Yes
    • Front Opening: No
    • Install Time: 5 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: No
    • Low Profile: No
    • Sits on Truck Rails: Yes
    • Actual Color: Black
  • Features:
    • Easy To Install With Extang Exclusive Clamping System
    • EZ-Lock Clamps Allow Quick And Easy Access At The Tailgate
    • JawGrip Clamps Secure The Cover At Cab Without Damaging The Bed
    • Designed For Full Size Trucks With 6 1/2 to 8 Foot Bed Lengths
    • Compatible with Most 18-20 Inch Standard Toolboxes
    • Equipped With Toolbox L-Rail That Permits Quick Installation
    • Provides an effective seal against the toolbox
    • Heavy Duty Automotive Grade TPO Skins
    • Polypropylene Core For Ultimate Dent Resistance
    • Lightweight Design And Easy To Use Clamping System
    • Maximum Strength 3-year warranty
  • The Solid Fold 2.0 Toolbox Tonneau by Extang provides the best in weather and UV protection while sill allowing for instant cargo access. It is designed for full size trucks with 6 1/2 and 8 bed lengths and will match up the most 18-20 in standard toolboxes. The Solid Fold 2.0 Toolbox Tonneau comes equipped with a mountain rail that permits quick installation along with a watertight seal up against the toolbox. It is made of heavy-duty automotive grade TPO skins with a Polypropylene core for the ultimate in dent resistance. The lightweight design and easy to use clamping system makes this tonneau cover our most versatile cover yet.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 97.8

Truxedo
  • Lo Pro - 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 6'6" w/out Sport Bar
  • Black Sport Bar: Without Sport Bar
  • Lo Pro Tonneau Cover - Black - 2014-2018 (2019 Legacy/Limited) Silverado/Sierra 1500/2015-2019 2500 HD/3500 HD 6' 6" Bed without Sport Bar
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: No
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: Yes
    • Low Profile: Yes
    • Sits on Truck Rails: No
    • Actual Color: Black
  • Features:
    • Signature Low-Profile Design
    • Cover Sits Only 3/4 in. Above The Truck Bed
    • Trouble-Free Install And Use No Drilling Or Special Tool Required
    • Anodized Single Trigger Latch
    • Requires Only One Finger To Open The Cover
    • Quick-Release System
    • The Entire Cover Can Be Removed In Seconds Without Tools
    • True 100 Percent Full Bed Access
    • Industrial Strength Leather-Grain Vinyl Is Tear Resistant
    • Protects Your Cargo From The Harshest Of Elements
    • Made In The USA
    • Lifetime Warranty
  • A sleek, low-profile design is the signature of the Lo Pro. Heavy-duty construction and the patented automatic tension control keep the cover looking great in any weather condition. The Lo Pro mounts inside the rails of the truck bed, providing full access to stake pocket holes for use with additional accessories. Stylish design, simple functionality and durable bed protection are what make the Lo Pro North America's #1 selling roll-up truck bed cover.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 78.8

Truxedo
  • Sentry - 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 6'6" w/out Sport Bar
  • Black Sport Bar: Without Sport Bar
  • Sentry Tonneau Cover - Black - 2014-2018 (2019 Legacy/Limited) Silverado/Sierra 1500/2015-2019 2500 HD/3500 HD 6' 6" Bed without Sport Bar
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: No
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: Yes
    • Low Profile: Yes
    • Sits on Truck Rails: No
    • Actual Color: Black
  • Features:
    • Industrial-strength, UV-resistant, leather-grain vinyl fabric looks great in all conditions
    • X15 rails are incorporated into the design providing a distinctive flush mount look while enhancing the overall look of your truck
    • A unique self-leveling design feature of these rails allows for a faster, more accurate installation
    • Heavy-duty matte black aluminum slats are pressure bonded to the fabric for additional strength and resiliency
    • This “blacked out” hard roll-up cover is sure to please the most discerning pickup truck enthusiast
    • Slam latches at the tailgate allow you to open the cover from either side of the truck
    • An additional security latch, located towards the center of the truck bed, enhances the security of this cover
    • Simply roll the cover closed to securely store and secure your cargo with confidence
    • The entire cover can be removed in seconds, without tools, providing true 100% full bed access
    • No drilling or special tools required
    • Mounts to the inside of the truck bed providing stake pocket access for additional truck customization
    • Made in the USA
  • The all-new Sentry by TruXedo combines all the same great features of the Sentry CT but with an industrial-strength, leather-grain vinyl fabric. This hard roll-up truck bed cover features an Xtra-low profile. We have pressure bonded the vinyl fabric to heavy-duty aluminum slats making Sentry the ultimate in durability and security. When rolled up tightly at the cab, the cover provides full bed access without blocking rear view visibility or the third brake light. When closed, the Sentry?s flush mount profile delivers a sleek look that is sure to impress! An extra security latch is located towards the center of the cover for enhanced protection so you can rest in the fact that your cargo is safe and sound. Installation is quick and easy and does not require the use of special tools or drilling. The Sentry is made in the USA and comes backed by a 3-year warranty.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 78.8

Extang
  • Trifecta Signature 2.0 - 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 6'6
  • Trifecta Signature 2.0 Tonneau Cover - Black - Acrylic Canvas - 2014-2018 (2019 Legacy/Limited) Chevy Silverado/GMC Sierra 1500/2015-2019 2500 HD/3500 HD 6' 6" Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: No
    • Install Time: 5 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: No
    • Low Profile: Yes
    • Sits on Truck Rails: Yes
    • Actual Color: Black
  • Features:
    • High-End Appearance With A Smooth Clean Profile
    • Pro-grade OEM Quality Perimeter Seals
    • Maximum Strength Warranty Lifetime Tarp And Frame
    • Sexier Stronger Smarter Choose Extang Trifecta 2.0
    • Rag Top Matte Black Premium Canvas Top Material Stands Out
    • Easy To Install With Extang Exclusive Clamping System
    • EZ-Lock Clamps Allow Quick And Easy Access At The Tailgate
    • JawGrip Clamps Secure The Cover At Cab Without Damaging The Bed
    • Extang Engineered With Precision 45 Degree Steel Corner Brackets
    • Lightweight Aircraft Grade Aluminum Frame
  • Choose Simple: Extang's redesigned soft tri-fold cover has a host of new features yet remains the easiest to install and simplest to use. The newly redesigned Trifecta 2.0 Signature Series has a premium matte black finish and has been built to last for years. Designed, manufactured and assembled in the USA! Your choice in soft tri-fold covers is still simple!

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 78.8

Extang
  • Trifecta E-Series 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 6'6
  • Extang Trifecta E-Series Cover - 2014-2018 (2019 Leg/Lim) Chevy Silverado/GMC Sierra/2015-2019 2500 HD/3500 HD 6' 6" Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: Yes
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: Yes
    • Rails To Install: No
    • Low Profile: Yes
    • Sits on Truck Rails: Yes
    • Actual Color: Black
  • Features:
    • Durable vinyl material
    • Easy-to-use spring loaded tailgate clamps
    • Full perimeter seal to keep water out
    • Simple and quick installation
    • 5-year warranty
  • The Trifecta E-Series is a soft folding truck bed cover topped with a durable vinyl material. Its lightweight aluminum frame and Extang engineered heavy-duty support bows span the width of the truck bed for added durability. For ease of use and to keep tension to the truck bed, the Trifecta E-Series is engineered with intuitive, spring-loaded tailgate clamps. Drive with the Trifecta E-Series in either the closed or the fully open position. Like all Trifecta covers, the Trifecta E-Series comes fully assembled with a simple no tools required installation process. Best of all, the entire cover can be removed in minutes to maximize space for large cargo.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 78.8

Extang
  • Trifecta E-Series 14-18 (19 Leg/Lim) Silv/Sierra 5'9
  • Extang Trifecta E-Series Cover - 2014-2018 (2019 Legacy/Limited) Chevy Silverado/GMC Sierra 5' 9" Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: Yes
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: Yes
    • Rails To Install: No
    • Low Profile: Yes
    • Sits on Truck Rails: Yes
    • Actual Color: Black
  • Features:
    • Durable vinyl material
    • Easy-to-use spring loaded tailgate clamps
    • Full perimeter seal to keep water out
    • Simple and quick installation
    • 5-year warranty
  • The Trifecta E-Series is a soft folding truck bed cover topped with a durable vinyl material. Its lightweight aluminum frame and Extang engineered heavy-duty support bows span the width of the truck bed for added durability. For ease of use and to keep tension to the truck bed, the Trifecta E-Series is engineered with intuitive, spring-loaded tailgate clamps. Drive with the Trifecta E-Series in either the closed or the fully open position. Like all Trifecta covers, the Trifecta E-Series comes fully assembled with a simple no tools required installation process. Best of all, the entire cover can be removed in minutes to maximize space for large cargo.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 69.3

Extang
  • Trifecta E-Series 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 HD 8
  • Extang Trifecta E-Series Cover - 2014-2018 (2019 Legacy/Limited) Chevy Silverado/GMC Sierra 1500/2015-2019 2500 HD/3500 HD 8' Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: Yes
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: Yes
    • Rails To Install: No
    • Low Profile: Yes
    • Sits on Truck Rails: Yes
    • Actual Color: Black
  • Features:
    • Durable vinyl material
    • Easy-to-use spring loaded tailgate clamps
    • Full perimeter seal to keep water out
    • Simple and quick installation
    • 5-year warranty
  • The Trifecta E-Series is a soft folding truck bed cover topped with a durable vinyl material. Its lightweight aluminum frame and Extang engineered heavy-duty support bows span the width of the truck bed for added durability. For ease of use and to keep tension to the truck bed, the Trifecta E-Series is engineered with intuitive, spring-loaded tailgate clamps. Drive with the Trifecta E-Series in either the closed or the fully open position. Like all Trifecta covers, the Trifecta E-Series comes fully assembled with a simple no tools required installation process. Best of all, the entire cover can be removed in minutes to maximize space for large cargo.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 97.8

Truxedo
  • Deuce - 14-18 (19 Leg/Lim) Silv/Sierra 1500/15-19 2500HD/3500HD 6'6
  • Black
  • Deuce Tonneau Cover - Black - 2014-2018 (2019 Legacy/Limited) Silverado/Sierra 1500/2015-2019 2500 HD/3500 HD 6' 6" Bed
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: Yes
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: Yes
    • Rails To Install: Yes
    • Low Profile: Yes
    • Sits on Truck Rails: No
    • Actual Color: Black
  • Features:
    • Dual Bed Access
    • Roll The Cover Towards The Cab Or Fold Back The Front Panel
    • Simple Install And Removal No Drilling Or Special Tools Required
    • Cover Mounts Inside Of The Truck Bed
    • Stake Pocket Access For Additional Accessories
    • Signature Low-Profile Design
    • Patented Automatic Tension Control
    • Maintain A Tight Fit And Great Looks In Extreme Temperatures
    • Made In The USA
    • Lifetime Warranty
  • The Deuce doesn't like to play by the rules. The ultimate hybrid truck bed cover, the Deuce gives you the full bed access of a roll-up cover, plus the added convenience and quick access of a folding cover. Roll it open, or simply pull a latch to flip it open from the cab. Combining durability and flexibility in a truck bed cover, Deuce stands above the rest.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 78.8
  • Trifecta ALX - 14-18 (19 Legacy/Limited) Silv/Sierra 1500/15-19 HD 8
  • Trifecta ALX Tonneau Cover - Black - Leather Grained Fabric - 2014-2018 (2019 Legacy/Limited) Chevy Silverado/GMC Sierra 1500/2015-2019 2500 HD/3500 HD 8' Bed
  • Product Attributes:
    • Paintable: No
    • Front Opening: No
    • Install Time: 5 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: Yes
    • Low Profile: No
    • Sits on Truck Rails: Yes
  • Features:
    • Auto-latching component automatically secures cover into place when closed
    • Extang engineered Secure Rotary Release Latching System is easy to operate and provides an added level of security, simply twist and lift with one-hand, one motion
    • Heavy-duty, Ancona pebble grained fabric protects your bed and precious cargo from water, dirt, and dust
    • Sturdy T-Handle cab clamps attach directly to your bed flanges without damage/alteration to your bed caps and allows quick cover removal for full bed use in seconds, without tools
  • The easiest truck bed cover just got easier. The Trifecta ALX packs the same great features as Extangâ??s best-selling tri-fold cover, the Trifecta 2.0, but with a Secure Rotary Release Latching System at the tailgate and an automatic latching feature thatâ??ll make getting the goods in and out of your truck bed that much faster.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 97.8

Truxedo
  • Lo Pro - 16-18 Silv/Sierra 1500 with Sport Bar 5'9
  • Black Sport Bar: With Sport Bar
  • Lo Pro Tonneau Cover - Black - 2016-2018 Chevy Silverado/GMC Sierra 5' 9" Bed with Sport Bar
  • Product Attributes:
    • Paintable: No
    • Works w/Toolbox: No
    • Front Opening: No
    • Install Time: 15 Minutes
    • Key Lockable: No
    • Full Bed Access: No
    • Rails To Install: Yes
    • Low Profile: Yes
    • Sits on Truck Rails: No
    • Actual Color: Black
  • Features:
    • Signature Low-Profile Design
    • Cover Sits Only 3/4 in. Above The Truck Bed
    • Trouble-Free Install And Use No Drilling Or Special Tool Required
    • Anodized Single Trigger Latch
    • Requires Only One Finger To Open The Cover
    • Quick-Release System
    • The Entire Cover Can Be Removed In Seconds Without Tools
    • True 100 Percent Full Bed Access
    • Industrial Strength Leather-Grain Vinyl Is Tear Resistant
    • Protects Your Cargo From The Harshest Of Elements
    • Made In The USA
    • Lifetime Warranty
  • A sleek, low-profile design is the signature of the Lo Pro. Heavy-duty construction and the patented automatic tension control keep the cover looking great in any weather condition. The Lo Pro mounts inside the rails of the truck bed, providing full access to stake pocket holes for use with additional accessories. Stylish design, simple functionality and durable bed protection are what make the Lo Pro North America's #1 selling roll-up truck bed cover.

Additional Fitment Information:
Vehicle Region Bed Length
2018 - GMC Sierra 1500 United States 69.3
Showing 1 - 10 of 133 products

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