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This part fits your vehicle!
Based on the manufacturer’s specs, this product is an exact fit for your 2001-2007 GMC Sierra 3500
2001-2007 GMC Sierra 3500 - Bestop Bed Extender
Part number: D347450000
Manufacturer number: 74500-00
Product Description: BESTOP BED X-TENDER, ALUMINUM, POWDERCOATED SILVER -- Made of light but extremely durable aircraft aluminum alloy with rugged, glass-reinforced, and...Read More
Fit note: Standard Side Bed
- Overview
- Manufacturer info
- Extended Warranty
BESTOP BED X-TENDER, ALUMINUM, POWDERCOATED SILVER -- Made of light but extremely durable aircraft aluminum alloy with rugged, glass-reinforced, and high impact composite nylon; Instantly adds up to 2 ft. of length to your truck bed; Made in the USA; Easy installation and removal; With Bestop's limited 3-year warranty.
This product fits the following GMC Sierra 3500 submodels
This product fits the following GMC Sierra 3500 submodels
- 2001-2005: All Submodels; All Engines;
- 2006-2006: SL; All Engines;
- 2006-2006: SLE; All Engines;
- 2006-2006: SLT; All Engines;
- 2006-2006: WT; All Engines;
- 2007-2007: Classic SL; All Engines;
- 2007-2007: Classic SLE; All Engines;
- 2007-2007: Classic SLT; All Engines;
- 2007-2007: Classic WT; All Engines;



