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Chassis Unlimited Octane rear bumper (model CUB910312) for 2007–2010 GMC Sierra 2500 and 3500 trucks — features durable textured black powder coating and precision-engineered cutouts for factory backup sensors.

Original price was: $2,432.07.Current price is: $92.01.

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Description

Vehicle Fit: 2007-2010 GMC Sierra 2500/3500

Material: 3/16” USA Steel

Finish: 3-Stage Texture Powder Coat

Color: Black

D-Ring Mounts: Yes – CNC Machined 1” Thick Recovery Points

Light Cutouts: Recessed Mounts for (2) 3” LED Cube Lights

Tow Hook Compatibility: Retains Factory Mounting Locations

Mounting Hardware: Included

Made in: California, USA

Chassis Unlimited Truck Back Bumper for GMC Sierra 2500/3500 (2007–2010) CUB910312 – Built Strong with Clean Rear Protection

If your GMC Sierra sees job sites, back roads, or the occasional trail, a solid truck back bumper makes all the difference. The Chassis Unlimited Octane Series was built for folks who want strength, function, and clean looks without turning the rear end into a bulky mess. This setup is designed specifically for the 2007–2010 Sierra 2500/3500 and includes parking sensor cutouts that work just like a factory. From daily work duty to weekend hauling, this bumper is made to hold up when the truck actually gets used.

Arm Your Sierra with Proven Chassis Unlimited Bumpers!

  • Reinforced 3-Piece Construction – New design incorporates additional strength and stability without compromising the slim Octane look.
  • Factory Sensor-Friendly Fit – Parking sensors sit clean and function properly, no warning lights or headaches.
  • Recovery-Ready Confidence – CNC-machined 1” thick recovery points give you peace of mind when it’s time to pull or be pulled.
  • Built-In Step Access – Corner steps and center step provide convenient access into the bed after a day’s work.
  • Rear Lighting Capability – Concealed mounting points enable the addition of LED cube lights for improved rear visibility during nighttime reversing.

Why Select the Chassis Unlimited Octane as Your GMC Sierra Rear Bumper?

This GMC Sierra rear bumper is cut from 3/16” USA steel and finished in a durable black texture powder coat that holds up to real-world abuse. Designed and built in California, it bolts directly to factory mounting points with no welding or grinding required.

 

If you’re looking at rear aftermarket bumpers that balance strength, fitment, and clean design, the Octane Series delivers. It’s a dependable upgrade that looks right, installs clean, and works just as hard as your Sierra does. Shop with us now!

 

Heavy Duty 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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