Chassis Unlimited Octane Offroad Rear Bumper CUB910542RAW 2011-2014 GMC Sierra 2500/3500 Raw, Sensor Cutouts
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500
Heavy-duty Chassis Unlimited bumper CUB910542RAW Octane offroad rear bumper with sensor cutouts for 2011–2014 GMC Sierra 2500/3500

Chassis Unlimited Octane Offroad Rear Bumper CUB910542RAW 2011-2014 GMC Sierra 2500/3500 Raw, Sensor Cutouts

$1,871.73
$1,871.73 $2,433.25
Sale

Vehicle Fit: 2011-2014 GMC Sierra 2500/3500

Material: 3/16" USA Steel

Finish: Raw Steel

Color: Raw

D-Ring Mounts: Yes – 1" Thick CNC Machined Recovery Points (1" Bore)

Light Cutouts: Yes – (2) Recessed 3" LED Cube Mounts (Lights Sold Separately)

Tow Hook Compatibility: Retains Factory Mounting Locations

Parking Sensor Cutouts: Yes

Mounting Hardware: Included

Made In: USA (California)

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Free Shipping Terms and Conditions Orders are shipped daily through our freight carrier partners such as FedEx Freight, Road Runner, Center Transport and Center Freight. A phone number must be provided by the customer prior to the delivery of their order. This will be the primary contact method that will be used by our delivery partners to set an appointment and to inform the customer that their order is ready to be received. Failure to provide a phone number may delay the delivery of the order which can lead to additional charges. This includes a storage fee that will be shouldered by the customer. Although free shipping is applicable to both residential and commercial addresses, a residential location may not have the appropriate equipment to conveniently unload your items. To help ensure that the delivery is done safely, the option to have your items shipped by a vehicle equipped with a liftgate is available for a $50 fee if shipping to a residential address. Read More x
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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. Read More x
We pride ourselves in offering unbeatable levels of customer care to all of our customers. We have dedicated customer reps that are passionate about helping customers find exactly what they need, and are always available to talk. Whether you are wondering if your truck is best suited for one of the Road Armor bumpers or the Addictive Desert Designs Bumpers, we are ready to help. By ‘Life Support’ we genuinely mean lifelong access to our team of professionals, continuing to offer you our expert advice anytime you need it. Our customer/business relationship doesn’t end from the moment you purchase one of the Ranch Hand bumpers or any other products, we are here for you every step of the way. Read More x
Product Details

Chassis Unlimited Octane Offroad Rear Bumper for GMC Sierra 2500/3500 (2011–2014) CUB910542RAW – Heavy-Duty Steel with Integrated Steps

When you’re running a 2500 or 3500, you need more than factory sheet metal hanging off the back. This Chassis Unlimited Octane offroad rear bumper brings serious steel protection and practical features that make sense for a hard-working GMC. Built from 3/16" USA steel and designed in California, it’s made to handle job sites, trailers, and off-road weekends without flinching.

 

Strengthen Your Sierra with a Purpose-Built GMC Offroad Bumper!

  • 3-Piece Reinforced Design – Changes to construction improve overall durability while maintaining the same aggressive and low-profile stance.
  • Recovery You Can Rely On – 1-inch thick CNC machined recovery points make for strong pull strength when things get stuck or sideways.
  • Integrated Corner & Center Steps – Makes climbing in and out of the bed easier—especially with bigger tires or a lifted setup.
  • Backup Light Ready – Recessed rear-facing mounts for 3-inch LED cubes add extra visibility when backing trailers or navigating dark trails.
  • Sensor Friendly – Factory parking sensors integrate cleanly, keeping your daily-driver functionality intact.
  • Simple Bolt-On Install – No cutting, welding, or grinding—just remove the factory rear end bumper and bolt this one into place.

 

Why Rely On the Chassis Unlimited Octane Offroad Rear Bumper – Heavy-Duty Rear End Bumper Protection?

This offroad rear bumper isn’t just about looks. It’s about durability, recovery capability, and practical access built into one solid package. The Chassis Unlimited bumper delivers real protection while maintaining a clean, aggressive profile that fits the Sierra HD the way it should.

 

If you’re after a GMC offroad bumper that works as hard as your truck does, this Octane Series rear end bumper is ready to go. Bolt it up and put your Sierra to work with confidence. 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.

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Price Guarantee

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.

Installation Guide
CHASSIS UNLIMITED comes complete with installation instruction. If you need assistance, call CHASSIS UNLIMITED Products Technical Support or bring it to your local auto body shop to install.

Please click here to download installation manual.