Chassis Unlimited Octane Aftermarket Back Bumper CUB910572 2020-2025 GMC Sierra 2500/3500 Texture Black Powder Coat, Sensor Cutouts

Chassis Unlimited Octane Aftermarket Back Bumper for GMC Sierra 2500/3500 (2020–2025) CUB910572 – Heavy-Duty Protection with Factory-Smart Fit

If you rely on your Sierra every day, you don’t want to give up factory tech just to gain strength. This aftermarket back bumper from Chassis Unlimited is built to do both. It keeps your parking sensors and blind spot monitoring working like stock, while upgrading your rear end with serious steel and clean, low-profile styling.

Strengthen Your Sierra with the Chassis Unlimited Octane Bumper!

• Factory Tech, Still Functional – Sensor cutouts and blind spot monitor locations are built in, so nothing gets disabled or confused.
• Built for Real Weight and Use – Thick steel construction and reinforced recovery points are ready for towing, recovery, and hard miles.
• Better Access, No Climbing – Integrated corner steps and a center step make it easier to reach the bed, even with gloves or muddy boots.
• Improved Rear Visibility – Recessed mounts allow backup lighting where it actually helps, low and out of the way.
• Clean, Purpose-Driven Design – Low-profile shape keeps departure angles in check without bulky add-ons.

Why Trust the Chassis Unlimited Octane Aftermarket Back Bumper – Heavy-Duty Rear Truck Bumper Protection Done Right?

This aftermarket truck rear bumper guard delivers the balance most heavy-duty truck owners want: strength, function, and factory compatibility in one clean package. It is a genuine truck rear bumper guard designed for functional purposes and not just for display.

If you are looking for a heavy-duty rear truck bumper that reflects the technology of your Sierra while enhancing its foundation, the Chassis Unlimited Octane rear truck bumper is a practical and sensible choice. Simply install it and go on using your truck as it was intended. Shop with us now!

Aftermarket 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.

We work hard to ensure that the prices of our aftermarket truck bumpers are the best available online. That’s why we guarantee that you’ll get the lowest price on all of our bumpers and accessories. Here’s how it works:

• We guarantee that the price of our aftermarket truck bumpers is the best available online. If you find an online store that offers a specific model at a lower price, let us know and we’ll match their price for your purchase.
• If you find that the exact bumper at an even lower price online within 6 months after your purchase, we will refund you the difference. Simply send a price difference refund request to support@bumperonly.com. This applies even to the prices from our own store at BumperOnly.com
• The competitor must be an online retailer with no physical stores and they must be an authorized dealer of the bumpers or accessories in question. The competing online store must also have the product in stock on their website for our price match guarantee to apply.
• The price match guarantee does not apply to online marketplaces such as Amazon, eBay, Overstock or any other similar websites. The competitor must be selling the item directly on their own online store.
• Additional promos cannot be applied in addition to the price match guarantee. For example, the free gift promo cannot be added on top of the price match guarantee. Only one promotion can be applied per purchase.

Once we confirm that your order is eligible for our price match guarantee, you can be confident that you’re getting the very best deal online.

Whether you’re looking for heavy-duty truck bumpers by Ranch Hand, a winch bumper by Fab Fours, or any other aftermarket truck bumper, if you shop with BumperOnly, you’ll never have to worry about buyer’s remorse.

For any questions about our price match guarantee, feel free to get in touch.

Shop without fear. Let BumperOnly take care of the rest.