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GMC K3500 Truck Bed and Box Parts
This page brings together truck bed and box parts for the GMC K3500 covering model years 1979–2000, including tool boxes, bed racks, and sliding platforms in a range of styles and materials. Pick your GMC K3500's year above to narrow the list to truck bed and box parts with confirmed fitment. Every part shown is checked against our vehicle data.
31 - 39 of 39 results
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AMP Research 74804-00A BedXtender HD Sport Truck Bed Extender - Silver
Part: 74804-00A
Vehicle Specific
$349.99
Ships from manufacturer
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In Stock (10+)
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In Stock (10+)
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Go Rhino 9009560DDB Double Bar Double Kicker Bed Bar Kit Black
Part: 9009560DDB
Vehicle Specific
$1,399.99
2 left at this price
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TruXedo 1118570 Elevate FS Rack System - Adjustable Truck Bed Rack for Full-Size Trucks
Part: 1118570
Vehicle Specific
$999.99
In Stock (10+)
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Go Rhino 9009560TSB Triple Bar Bed Bars with Single Kicker - Textured Black
Part: 9009560TSB
Vehicle Specific
$1,529.99
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What's here for your GMC K3500
- Truck tool boxes in single-lid, crossover, and side-mount styles
- Truck bed rail-to-rail tool boxes spanning the full bed width
- Truck bed racks for cargo management and overhead storage
- Truck bed sliding platforms for rear-access cargo organization
- Truck bed side rail tool boxes for along-the-rail storage
The widest selection here comes from Dee Zee, TrailFX, Thule, and Betterbuilt, covering options in stainless steel, black powder-coat, and polished finishes across universal-fit and truck-specific configurations. Other categories GMC K3500 owners shop for: GMC K3500 Exhaust and Tail Pipes, GMC K3500 Brake Hardware and GMC K3500 Valve Train Parts, or browse all GMC K3500 parts and accessories.