Choose Your Truck
Aluminum Beds for Sierra 1500, 2500 & 3500
Alumbody builds custom aluminum beds for the entire GMC Sierra lineup. Lighter on the chassis, easier on your fuel bill, and tougher against corrosion than steel.
- Custom-fit for Sierra 1500, 2500HD, 3500HD
- Up to 50% lighter than steel and wood beds
- Marine-grade aluminum — won't rust or rot
- Optional lift gates, tool boxes and custom rails
- Installed at our Orange, CA facility

Why GMC Owners Choose Alumbody
Superb Lightweight
Up to 50% lighter than a steel and wood bed — saves fuel and tire wear.
Corrosion Resistant
Marine-grade aluminum won't rust or corrode in any climate.
Easy Access
Built with low side rails and optional lift gates for fast loading.
Custom Fit
Engineered specifically for the GMC chassis.
GMC Builds Gallery
Click any photo to open the lightbox. Use the arrow keys (or on-screen arrows) to browse all 23 builds.
Ready for a custom GMC aluminum bed?
We email firm quotes within 2 business days.
