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2003-2006 GMC Sierra 2500/3500 Front & Rear Bumpers

BumperStock has carried aftermarket bumpers for the 2003-2006 GMC Sierra 2500/3500 HD across the full GMT800 HD run. Front and rear heavy-duty steel options from US-built Ranch Hand and Hammerhead, alongside design-led Fab Fours, plus Frontier diamond-plate and Ali Arc aluminum. Choose pre-runner, full-guard, winch-ready, and grille-guard styles with winch mounts, light bars, and integrated D-rings. Pricing ranges $899 to $2,873 depending on materials and integration. Bolt-on replacement for the GMT800 platform, 2001 introduction through the 2007 Classic close of the HD run. Free Sales Tax, free shipping, fit confirmation included. Compare options side by side below.

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  • Fab Fours CH05-RT1250-1 GMC Sierra 2500/3500 HD 2003-2007 Red Steel Rear Bumper-BumperStock
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    Fab Fours CH05-RT1250-1 GMC Sierra 2500/3500 HD 2003-2007 Red Steel Rear Bumper

    • Part # : CH05-RT1250-1
    • Material : 11 Gauge Steel
    • Finish : 2 Stage Black Powder Coat
    • Weight : 100 lb
    Sale price $899.99 Regular price $1,078.13
    FITS YOUR DOESN'T FIT YOUR

How to Choose a Bumper for Your 2003-2006 GMC Sierra 2500/3500

On a 2003-2006 GMC Sierra 2500/3500 HD, picks split by budget. Value tier for stock replacement; top tier for winch and pre-runner builds.

Most affordable: Ranch Hand FSG031BL1 Summit Front Bumper at $1,744.95. Ranch Hand grew from 1986 ranching roots into a fleet-bumper benchmark. Diamond-plate steel, 195 lbs, black powder coat. Retains factory fog lights and tow hooks. Will not fit with a body lift.

Mid-tier: Ranch Hand FBG031BLR Legend Front Bumper at $2,022.95. Owned by Lippert Components since April 2021. 4-inch Schedule 40 pipe over diamond-plate steel, 266 lbs, black powder coat. Full grille upright, replaces the factory front end.

Top-tier: Hammerhead 600-56-0115 Pre-Runner Winch Bumper at $2,060.10. Daily stock updates from Bay Springs keep lead time short. 3/16-inch steel plate, 187 lbs, 2-stage black textured powder coat. Pre-Runner guard with winch mount. Fits 2500/3500 HD only, excludes non-HD trims.

Tier 3 also stocked: Frontier diamond-plate, ARB winch-ready, Road Armor plate steel, and Ali Arc aluminum at 80 lbs. See the grid above.

What Fits Your 2003-2006 GMC Sierra 2500/3500

Bumpers on this page cover the GMC Sierra 2500/3500 HD on the GMT800 platform, 2003-2006 within the 2001-2007 HD run. The 2004.5 LB7-to-LLY Duramax swap landed mid-cycle. Verify your model year in each listing.

Factory parking sensors were rare on 2003-2006 Sierra HD. Ultrasonic Rear Parking Assist appeared mostly on Denali. Most aftermarket bumpers for this gen do not need sensor cutouts.

These bumpers fit 2003-2006 Sierra 2500/3500 HD. The pre-2001 GMT400 ran a different frame; do not cross-fit. The 2007 Classic continued GMT800 one more year before GMT900 HD launched. Manufacturer notes confirm GMT800 HD bumpers share frame mounting with same-year Chevy Silverado 2500HD.

Where the 2003 facelift leaves your bumper choice, and what 2007 complicates: the Silverado/Sierra HD fitment guide lays it out.

Different model year? All GMC Sierra 2500/3500 bumpers, every generation.

Frequently Asked Questions

Are pre-2001 GMT400 HD bumpers interchangeable with 2003-2006 GMC Sierra 2500/3500?

No. The GMT400 K-series HD trucks (1988-2000) ran a different frame and front fascia than the GMT800 HD that launched in 2001. Bumpers on this page fit 2003-2006 Sierra 2500/3500 HD only; verify the year in each listing before ordering.

Does the Hammerhead Pre-Runner Winch Bumper accept a winch on my 2003-2006 GMC Sierra 2500/3500, and what capacity?

The Hammerhead 600-56-0115 Pre-Runner Winch Bumper carries an integrated winch mount with Pre-Runner guard, fits 2500/3500 HD only. For Warn ZEON winches, a solenoid relocation kit is required. Most full-size HD setups run 12,000-16,500 lb units.

How thick is the steel on these bumpers?

Steel thickness varies by brand. Ranch Hand uses 4-inch Schedule 40 pipe over diamond-plate steel on the Legend. The Hammerhead Pre-Runner runs 3/16-inch steel plate with 2-stage powder coat. Ali Arc options use 1/4-inch extruded high-tensile aluminum. Each listing shows the spec.

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