2026 Hillsboro 4000 Single – Short Bed GM 

2026 Hillsboro 4000 Single – Short Bed GM

About the 4000 Series Aluminum Truck Bed
The latest in Hillsboro’s series of aluminum truck beds adds fold-down sides, stainless steel flip-up tie-downs and more to our popular 3000-series model. The full-aluminum build of this bed provides more durability and fuel efficiency with less weight and no pesky paint. Plus, the truck bed is B&W-compatible, so just add on a Hillsboro kit for easy conversion. Find a dealer near you to prepare for a smoother, sleeker transport.

Features may include:

Aluminum extruded floor

• Do your worst to your bed because this high-strength aluminum extruded floor is built to last.

Heavy-duty 6”-tall extruded rubrail

Adjustable-height headache rack with square tube louvers

• Modify your rack to match the cab height.

4” x 2” tube steel long stills

• Adjust these sills to a 34”, 38” or 42” frame.

Treadbrite tailboard

• Turn heads as you drive down the road with this stylish addition.

LED lights

• Signal to your neighbors on the road using six stop, turn & tail lights, four backup lights and LED clearance and side-marker lights.

Sealed wiring harness

• Avoid the dangers of wire damage using our installed harness with plug-in connections.

Recessed aluminum castings

• Push a load across the bed with no interference from tie-downs.

Tapered rear with step

• Receive better clearance for towing and easier access to your bed.

Tapered front on 96” wide dual-wheel beds

• Lead with a more aerodynamic and attractive front.

25K receiver hitch with 2 ½” tube

• Safely tow a heavy load with this Hillsboro hitch.

30K gooseneck ball plate with flush mount cover and 2 5/16” 30k ball

• Pull a trailer with no difficulties using our gooseneck trailer hitch.

3″ aluminum I-beam extrusion crossmembers

• Gain more strength than formed crossmembers.

Storage compartments

• Supersize your typical truck compartment for more usable storage space.

Toolboxes with EPDM closed-cell foam seal

• Keep tools safe from the elements with our weather-resistant seals and 0.125-thickness aluminum build.

6” fold-down sides with slam latch

• Choose between having your sides up or down to accommodate your load.

Recessed stainless steel flip-up tie-downs

• Secure your cargo without the added bulk of standard tie-downs.

Factory Options

Hillsboro logo mud flaps

• Keep your truck looking shiny and new while boasting the Hillsboro logo.

Removable tailgate kit

• Have this kit on hand to easily remove your tailgate for more space.

Hillsboro B&W conversion kit

• Take advantage of this truck bed’s B&W compatibility.