10%

Octane

Series Rear Bumper

2020-2024 GMC SIERRA 2500/3500 OCTANE REAR BUMPER

Regular
$1,349.99
Sale
$1,349.99
Regular
$1,499.99
Sold Out
Unit Price
per 

DOES YOUR FACTORY BUMPER HAVE PARKING SENSORS?

BUMPER FINISH

SKU CUB910571
WEIGHT 98.0 LBS

Product Features

  • All Octane rear bumpers are now 3-piece Design, enhancing their overall strength. Despite this update, the profiles maintain the same design as our previous one-piece construction bumpers.
  • Factory Parking sensors & Blind Spot Monitors work excellent with our bumpers, if your stock bumper has parking sensors, please select the parking sensor bumper drop down option.
  • Manufactured from 3/16” USA Steel
  • Includes LED License Plate Lights
  • Recessed rear facing mounts for 3” LED Cube lights as back up lights (2)
  • Each side of the bumper has integrated corner steps
  • Includes heavy duty CNC Machined 1” Thick recovery points with a 1” Bore
  • Designed & Manufactured in California
  • Bumpers ships complete with 3-Stage Black Texture powder coat Finish
  • LED LIGHTS SOLD SEPARATELY

Product Details

2020-2024 GMC Octane Rear bumper: If parking sensors are selected, you will also get Blind Spot Monitoring Sensor Locations in the corner steps. Functions same as OEM.

The Chassis Unlimited "Octane Series" rear bumper arrives at your doorstep fully prepared for installation, boasting a sleek 3-Stage texture black powder coat finish.

Introducing a fresh perspective to the bumper market, the Octane Series redefines style with its innovative low-profile design and assertive aesthetics. Engineered with our signature 3-piece construction, these bumpers feature a pioneering fitment that stands out. Adding to their functionality, the rear bumpers are equipped with corner steps and a built-in center step for effortless accessibility. Crafted with precision in Livermore, California, all of Chassis Unlimited's products uphold the highest standards of design and manufacturing.

With a hassle-free bolt-on installation process, no welding or grinding is required to mount our Octane Series bumpers. Using basic hand tools, most installations are completed within a few hours or less. The bumpers seamlessly attach to your vehicle without the need for modifications, directly bolting onto the factory bumper mounting locations. Simply remove your factory bumper/mounts, and our product effortlessly integrates with your vehicle's existing setup.

PLEASE NOTE: Some images may depict earlier single-piece bumper models. (Not all images have been updated). However, all Octane bumpers are currently shipping as enhanced 3-piece design for improved strength and aesthetics

LED LIGHTS SOLD SEPARATELY

This bumper fits 2020, 2021, 2022, 2023, 2024 GMC 2500/3500 Diesel and Gas, Models. Includes fitment on Sierra HD, Denali, And AT4 Trim Packages

New & Improved

3-PIECE REAR BUMPERS

As of November 1st 2023: All of our Octane Series rear bumpers are designed as 3 Piece bumpers for Improved strength and durability. Our New 3Pc Designs allow us to create extreme strength with the shell of the bumper by using internal bracing. This allow allows us to create an extremely strong mounting joint location to your vehicles frame(3/8" THICK).


Bumper profiles remain the same, However all bumpers shipped will be improved 3-Piece designs.

Images May show Single Shell Bumpers. 

Low profile

Aggressive designs

No More Bulky Bumpers! The Octane series rear bumpers bring an entire new style to the bumper market and offer an industry first low-profile fitment with aggressive styling. Designed to be Low-Profile, the Octane series is extremely strong bumper, as well as a tight contour of the vehicle. Rear bumpers are designed to work with your factory tow hitch & tow plug.


All rear bumpers include LED License plate lights.

includes our premium

black texture powdercoat

All of our bumpers include our premium Black Texture Powder Coat. This high quality 3-Stage durable finish is a great option for just about any truck color. We take pride in our manufacturing and finishing process, ensuring you receive a high quality product that's guaranteed to set your truck apart! 


We don't offer color matching, however we do offer a RAW steel option if your looking to have your bumper color matched to your truck. This must be done by your local paint/powder shop.

Products in the Wild

Prop 65

WARNING: Operating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to www.P65Warnings.ca.gov

FREE SHIPPING ON ALL BUMPERS