2008 GMC UnderCover Parts
Choose a Model for your 2008 GMC
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Product
Price
- Flex 07-13 Silv/Sierra 5'9" w/out CMS with Bed Rail Caps
- Cargo Management System: Without Cargo Management System Bed Caps: With Factory Bed Rail Caps
- UnderCover Flex 2007-2013 Chevrolet Silverado/GMC Sierra 5' 9" Bed Crew Cab without Cargo Management System with Bed Rail Caps - Black Textured
- Product Attributes:
- Cargo Management System: Without Cargo Channel System
- Front Opening: Yes
- Style: Hard Folding Cover
- Install Time: 15 Minutes
- Rails To Install: Yes
- Low Profile: Yes
- Sits on Truck Rails: Yes
- Actual Color: Black
- Paintable: No
- Works w/Toolbox: No
- Key Lockable: No
- Full Bed Access: Yes
-
Features:
- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
- Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 1500 | United States | 69.3 |
- Armor Flex 07-13 Silv/Sierra 1500/07-14 HD 6'6" w/o CMS w/o Bed Rail Caps
- Cargo Management System: Without Cargo Management System Bed Caps: Without Factory Bed Rail Caps
- UnderCover Armor Flex 2007-2013 Chevrolet Silverado/GMC Sierra 1500/2007-2014 2500 HD/3500 HD 6' 6" Bed Std/Ext/Crew Cab without Cargo Management System without Bed Rail Caps - Black Textured
- Product Attributes:
- Cargo Management System: Without Cargo Channel System
- Front Opening: No
- Style: Hard Folding Cover
- Install Time: 45 Minutes
- Rails To Install: No
- Low Profile: Yes
- Sits on Truck Rails: No
- Actual Color: Black
- Paintable: No
- Works w/Toolbox: No
- Key Lockable: No
- Full Bed Access: Yes
-
Features:
- Heavy Duty Panels
- Premium Grade LINE X Coating
- Dual Action Tailgate Seal
- Stylish Matte Black Appearance
- Low Profile Design
- Automatic Latching Panels
- Made In The USA
- 5 Year Warranty
- The new ArmorFlex hard folding cover is designed to protect your truck bed and its contents, while maintaining its strength, style and durability. Heavy-duty panels are coated with a LINE-X(R) specialty automotive coating designed to provide advanced protection from dents and scuffs, even in the most extreme environments. The dual-action tailgate seal offers universal tailgate operation, allowing you to close the tailgate with the last panel of the cover up or down. ArmorFlex is proudly made in the USA, and comes backed by a 5-year warranty.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 2500 HD | United States | 78.8 |
- Swing Case 07-18 (19 Legacy/Limited) Silv/Sierra 1500/07-19 HD Passenger
- UnderCover Swing Case 2007-2018 (2019 Legacy/Limited) Chevrolet Silverado/GMC Sierra 1500/2007-2019 2500 HD/3500 HD Passenger Side Black Smooth
- Product Attributes:
- Actual Color: Black
-
Features:
- Works With All Tonneau Covers
- Holds Up To 75 lbs.
- Moisture Seal Keeps Contents Dry
- Lockable Lid
- Quick Release Latch
- Swings Out For Easy Tailgate Access
- SwingCase by UnderCover is the most innovative and versatile truck storage box ever made. Built to last from lightweight, high-impact ABS plastic; the tough, weatherproof, SwingCase is custom fitted for your truck. The SwingCase is affordable, too. In fact, you can purchase two SwingCases for less than the price of an old-fashioned truck bed box... and save a lot of space, too. Best of all, the SwingCase provides storage that is always within reach without sacrificing the use of your truck bed. Just simply pull the release lever and your gear swings out to you, no more reaching over or climbing into your truck bed. For work or play, go with SwingCase today.
Additional Fitment Information:
| Vehicle | Region |
|---|---|
| 2008 - GMC Sierra 3500 HD | United States |
- Armor Flex 07-13 Silv/Sierra 5'9" w/out CMS w/out Bed Rail Caps
- Cargo Management System: Without Cargo Management System Bed Caps: Without Factory Bed Rail Caps
- UnderCover Armor Flex 2007-2013 Chevrolet Silverado/GMC Sierra 5' 9" Bed Crew Cab - Black Textured
- Product Attributes:
- Cargo Management System: Without Cargo Channel System
- Front Opening: No
- Style: Hard Folding Cover
- Install Time: 45 Minutes
- Rails To Install: No
- Low Profile: Yes
- Sits on Truck Rails: No
- Actual Color: Black
- Paintable: No
- Works w/Toolbox: No
- Key Lockable: No
- Full Bed Access: Yes
-
Features:
- Heavy Duty Panels
- Premium Grade LINE X Coating
- Dual Action Tailgate Seal
- Stylish Matte Black Appearance
- Low Profile Design
- Automatic Latching Panels
- Made In The USA
- 5 Year Warranty
- The new ArmorFlex hard folding cover is designed to protect your truck bed and its contents, while maintaining its strength, style and durability. Heavy-duty panels are coated with a LINE-X(R) specialty automotive coating designed to provide advanced protection from dents and scuffs, even in the most extreme environments. The dual-action tailgate seal offers universal tailgate operation, allowing you to close the tailgate with the last panel of the cover up or down. ArmorFlex is proudly made in the USA, and comes backed by a 5-year warranty.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 1500 | United States | 69.3 |
- Swing Case 07-18 (19 Legacy/Limited) Silv/Sierra 1500/07-19 HD Driver
- UnderCover Swing Case 2007-2018 (2019 Legacy/Limited) Chevrolet Silverado/GMC Sierra 1500/2007-2019 2500 HD/3500 HD Drivers Side Black Smooth
- Product Attributes:
- Actual Color: Black
-
Features:
- Works With All Tonneau Covers
- Holds Up To 75 lbs.
- Moisture Seal Keeps Contents Dry
- Lockable Lid
- Quick Release Latch
- Swings Out For Easy Tailgate Access
- SwingCase by UnderCover is the most innovative and versatile truck storage box ever made. Built to last from lightweight, high-impact ABS plastic; the tough, weatherproof, SwingCase is custom fitted for your truck. The SwingCase is affordable, too. In fact, you can purchase two SwingCases for less than the price of an old-fashioned truck bed box... and save a lot of space, too. Best of all, the SwingCase provides storage that is always within reach without sacrificing the use of your truck bed. Just simply pull the release lever and your gear swings out to you, no more reaching over or climbing into your truck bed. For work or play, go with SwingCase today.
Additional Fitment Information:
| Vehicle | Region |
|---|---|
| 2008 - GMC Sierra 3500 HD | United States |
- Flex 04-12 Colorado/Canyon 6
- UnderCover Flex 2004-2012 Chevrolet Colorado/GMC Canyon 6' Bed Std/Ext Cab - Black Textured
- Product Attributes:
- Paintable: No
- Works w/Toolbox: No
- Front Opening: Yes
- Style: Hard Folding Cover
- Install Time: 15 Minutes
- Key Lockable: No
- Full Bed Access: Yes
- Rails To Install: Yes
- Low Profile: Yes
- Sits on Truck Rails: Yes
- Actual Color: Black
-
Features:
- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
- Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Canyon | United States | 72.8 |
- Flex 04-12 Colorado/Canyon 5
- UnderCover Flex 2004-2012 Chevrolet Colorado/GMC Canyon 5' Bed Crew Cab - Black Textured
- Product Attributes:
- Paintable: No
- Works w/Toolbox: No
- Front Opening: Yes
- Style: Hard Folding Cover
- Install Time: 15 Minutes
- Key Lockable: No
- Full Bed Access: Yes
- Rails To Install: Yes
- Low Profile: Yes
- Sits on Truck Rails: Yes
- Actual Color: Black
-
Features:
- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
- Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Canyon | United States | 61.1 |
- Flex 07-13 Silv/Sierra 1500/07-14 2500HD 6'6" w/out CMS with Bed Rail Caps
- Cargo Management System: Without Cargo Management System Bed Caps: With Factory Bed Rail Caps
- UnderCover Flex 2007-2013 Chevrolet Silverado 1500/2007-2014 2500 HD 6' 6" Bed Std/Ext/Crew Cab without Cargo Management System with Bed Rail Caps - Black Textured
- Product Attributes:
- Cargo Management System: Without Cargo Channel System
- Front Opening: Yes
- Style: Hard Folding Cover
- Install Time: 15 Minutes
- Rails To Install: Yes
- Low Profile: Yes
- Sits on Truck Rails: Yes
- Actual Color: Black
- Paintable: No
- Works w/Toolbox: No
- Key Lockable: No
- Full Bed Access: Yes
-
Features:
- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
- Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 2500 HD | United States | 78.8 |
- Flex 07-13 Silv/Sierra 1500/07-14 2500HD 6'6" w/out CMS w/out Bed Rail Caps
- Cargo Management System: Without Cargo Management System Bed Caps: Without Factory Bed Rail Caps
- UnderCover Flex 2007-2013 Chevrolet Silverado 1500/2007-2014 2500 HD 6' 6" Bed Std/Ext/Crew Cab without Cargo Management System without Bed Rail Caps - Black Textured
- Product Attributes:
- Cargo Management System: Without Cargo Channel System
- Front Opening: Yes
- Style: Hard Folding Cover
- Install Time: 15 Minutes
- Rails To Install: Yes
- Low Profile: Yes
- Sits on Truck Rails: Yes
- Actual Color: Black
- Paintable: No
- Works w/Toolbox: No
- Key Lockable: No
- Full Bed Access: Yes
-
Features:
- Ultra Low Profile Design
- Allows For Full Access To Your Bed
- Built In Prop Rods Secure The Cover
- Plastic Buckles And Straps Included
- Rubber Seals And Drain Tubes Channel Water Away
- Easy Clamp-on design and 3 Year Warranty
- Introducing the next generation of folding covers -- the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile -- Ultra-low profile design rests inside the bed rails allowing for a very sleek look. Full Access -- Built in prop rods secure the cover allowing your truck to be driven with the cover fully open. Easy Removal -- Entire cover can be removed in seconds with no tools needed. Secure Design -- Plastic buckles and straps are included to secure the panels in the partially open position. FRP Composite Panels -- Lighter, stronger and higher dent resistance than aluminum. Weather Resistant -- Rubber seals and drain tubes channel water away from and out of the bed. Easy Clamp-on design. No other folding cover can match the Flex for versatility, security and function. Covered or uncovered, always an option with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 2500 HD | United States | 78.8 |
- Classic 07-13 Sierra 1500/07-14 2500HD/3500HD 6'6
- Models w/Factory Installed Tail Fin Gate Protector Must Be Removed And Replaced w/Standard Tailgate Protector [Purchased Separately] Bed Caps: Without Factory Bed Rail Caps
- UnderCover Classic 2007-2013 GMC Sierra 1500/2007-2014 2500 HD/3500 HD 6' 6" Bed - Black Textured
- Product Attributes:
- Paintable: No
- Works w/Toolbox: No
- Front Opening: Yes
- Style: Hard Non-folding Cover
- Install Time: 15 Minutes
- Key Lockable: Yes
- Full Bed Access: No
- Rails To Install: No
- Low Profile: No
- Sits on Truck Rails: Yes
- Actual Color: Black
-
Features:
- Lightweight
- Durability/Toughness And Impact Resistance
- Standard No Drill Concealed Clamp Installation
- Heavy Duty Steel Powder Coated Frame Rails
- Includes Garage Wall Storage System
- Weather-Tite
- Sleek Styled Contour Custom Fit
- UV Protected Polymer Finish
- UnderCovers patented design, unrivaled strength and durability set the standard for truck bed covers, and make UnderCover the number one selling hard cover in the USA. The quick release struts and new hidden hinge allow the cover to be removed with out any tools in just seconds. Handling the cover is a breeze at just 58lbs it is the lightest hard locking cover on the market. Interior dome light, pull down strap, secure dual twist locks and full perimeter weather seal are just a few more features of the UnderCover. It looks great too; the black OEM textured finish is a compliment to a truck of any color. Experience tomorrows tonneau today with UnderCover.
Additional Fitment Information:
| Vehicle | Region | Bed Length |
|---|---|---|
| 2008 - GMC Sierra 2500 HD | United States | 78.8 |
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