| Gas & 6.6L Duramax

2007.5–2014 GMC Sierra 8-Foot Long Bed – Silver Replacement Truck Bed | 1500, 2500HD & 3500HD

This 8-foot  GMC Sierra long bed is a hard-to-find replacement truck box for select 2007.5–2014 GMC Sierra 1500, 2500HD, and 3500HD applications. The bed was removed from a low-mileage truck from an area where road salt is not commonly used and was replaced with a steel flatbed.

One of the biggest advantages of this box is its rust-free condition, including the areas underneath that commonly develop corrosion on older GM truck beds. The underside is described as very solid, while the interior bed floor shows very little use.

The bed does have dents and dings, reportedly from storage before it was acquired, but it remains cleaner and more usable than many comparable used truck beds currently available.

Product Details

• Fits: Select 2007.5–2014 GMC Sierra
• Applications: Sierra 1500, 2500HD & 3500HD
• Bed length: 8 feet
• Configuration: Long bed / SRW
• Fuel compatibility: Gas & 6.6L Duramax diesel applications
• Duramax: LMM / LML
• Condition: Used with dents and dings
• Rust: No rust in the common problem areas
• Underside: Very solid
• Bed floor: Very lightly used
• Gooseneck holes: None
• 5th-wheel rail holes: None
• Tailgate: Available separately
• Price: $1,800 plus tax
• Loading: Forklift available
• Location: Wichita, KS
• Nationwide shipping available

Rare GMC Sierra Long Box

Finding a clean GMC Sierra 8-foot bed from the 2007–2014 generation can be considerably more difficult than finding a standard Chevrolet Silverado replacement box. GMC-specific body details make these beds especially desirable to customers trying to maintain the original appearance of their Sierra.

This box can also be installed on a Chevrolet Silverado, but buyers should understand that the tail light openings and wheel-well body lines differ between GMC and Chevrolet beds. If you’re installing it on a Silverado, additional consideration may be required for those body-specific differences.

Rust-Free Southern-Style Replacement Box

The bed’s low-mileage donor truck and location in an area without significant road-salt exposure helped preserve the box. There is no rust reported in the typical problem areas, and the underside remains solid.

This is particularly important on older GM beds, where corrosion can develop around the wheel arches, lower bedside sections, bed seams, floor supports, mounting points, and underside crossmembers.

The bed also has no gooseneck cutout or fifth-wheel rail holes, leaving the factory-style bed floor largely unmodified. The interior shows very little evidence of heavy use, making it an appealing option for a restoration or clean work-truck build.

Cosmetic Condition

This is a used bed and not a perfect show-quality box. There are dents and dings on the bed, which appear to have occurred during storage before it was acquired. However, the overall box remains cleaner than many used beds that have spent years exposed to harsh weather and road salt.

For a buyer who wants a solid, rust-free GMC 8-foot bed and is comfortable performing bodywork or repainting, this can be an excellent starting point.

Gas & Duramax 6.6 Applications

The bed is suitable for select gas-powered and 6.6L Duramax diesel trucks within the applicable generation, including LMM and LML Duramax applications.

Relevant model years include:

2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014 GMC Sierra, subject to exact configuration and fitment.

This listing targets searches including 2007 GMC Sierra 8ft bed, 2008 GMC 2500HD long bed, 2009 Sierra 3500HD truck bed, 2010 GMC 8-foot replacement bed, 2011 Sierra long box, 2012 GMC 2500HD bed, 2013 Sierra 3500HD 8ft bed, 2014 GMC Sierra replacement box, LMM Duramax bed, LML Duramax bed, 6.6 Duramax truck bed, GMC 8-foot long bed, rust-free GMC Sierra bed, and silver GMC Sierra replacement bed.

Pricing & Pickup

Price: $1,800 plus applicable tax.

Multiple forms of payment are accepted, and a forklift is available for loading. A tailgate is available separately.

Please verify your exact truck year, Sierra 1500/2500HD/3500HD configuration, cab style, wheelbase, SRW/DRW setup, mounting points, tailgate requirements, and other fitment specifications before purchasing.