Description
Vehicle Fit: 2011-2014 GMC Sierra 2500/3500
Material: 3/16″ USA steel
Finish: 3-stage textured powder coat
Color: Black
Parking Sensors: Sensor cutouts included
Light Cutouts: Recessed mounts for 3″ LED cube lights (rear-facing)
License Plate Lights: Included (LED)
Recovery Points: CNC-machined 1″ thick with 1″ bore
Corner Steps: Integrated on both sides
Mounting Hardware: Included
Made In: USA (California)
Chassis Unlimited Rear Bumper Guard for GMC Sierra 2500/3500 (2011–2014) CUB910542 – Octane Series Strength with Sensor-Ready Protection
When your Sierra’s rear end takes the brunt of the job—hooking trailers, backing into tight spots, or pulling buddies out of bad situations—this rear bumper guard is built to handle it without blinking. The Chassis Unlimited Octane Series brings together low-profile style and honest steel strength, all while keeping factory parking sensors fully functional on your 2011–2014 GMC Sierra 2500/3500. Finished in a durable textured black powder coat, it shows up ready to work the minute it hits your driveway.
Protect Your Truck with Purpose-Built Octane Series Design of GMC Truck Bumper!
- Stronger 3-Piece Construction – New design – more rigid, with an even cleaner Octane profile to your preference.
- Sensor-Compatible Fitment – Having factory parking sensors work well means you don’t have to give up convenience for ruggedness.
- Confidence in Every Recovery – Heavy-duty CNC-machined recovery points are at the ready when traction goes away.
- Easy Bed Access – The corner steps make it easier to get on the bed, particularly when it is loaded.
- Clean Lighting Options – Recessed cube light mounts and included LED license plate lights keep visibility sharp and protected.
- Bolt-On Simplicity – No cutting, welding, or grinding—just remove the factory bumper and bolt this one straight on.
Why Choose the Chassis Unlimited Bumper – Built for GMC Owners Who Use Their Trucks?
This truck back bumper guard isn’t about flash—it’s about function that lasts. Every Chassis Unlimited bumper is designed and manufactured in California with attention to strength, fitment, and everyday usability. The Octane Series delivers a balanced mix of protection, accessibility, and style without overpowering your truck’s factory lines.
If you’re looking for a GMC truck bumper that works as hard as your Sierra does, this Octane rear bumper guard is a rock-solid upgrade you can rely on mile after mile. Shop with us now!
Truck Bumper Tips
Always do your homework before you buy a bumper! Below you can find everything you need to know about bumpers’ weight, thickness, selection, and more. To help your decision, we’ve compiled a full list of all the bumpers we carry. Compare them by look, function, and price.
Everyone wants to know about the weight of steel bumpers and we’re here to help you out. In this blog, you can find every answer to any question you could have about it.
What’s the right thickness for a bumper? Find out with our guide to bumper thickness.
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