Chassis Unlimited Attitude Rear End Bumper CUB990572RAW 2020-2025 GMC Sierra 2500/3500 Raw, Sensor Cutouts

Chassis Unlimited Attitude Rear End Bumper CUB990572RAW 2020-2025 GMC Sierra 2500/3500 Raw, Sensor Cutouts

Regular price $1,811.67
$1,811.67 Sale price Regular price $2,355.17
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Vehicle Fit: 2020-2025 GMC Sierra 2500/3500

Material: 3/16" USA Steel

Finish: Raw (Uncoated, Ready for Custom Finish)

Color: Silver/Raw

Recovery Points: CNC-Machined 1" Thick with 1" Bore

Steps: Corner Steps and Center Step

Light Cutouts: Rear Recessed Mounts for (2) 3" Cube Lights

Parking Sensor Cutouts: Yes (Blind Spot Mounts Included)

License Plate Lights: LED Included

Made In: USA (California)

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FITMENT GUARANTEED — If it doesn't fit your truck, we make it right. Learn more
Product Details

Chassis Unlimited Rear End Bumper for GMC Sierra 2500/3500 (2020-2025) CUB990572RAW – Raw Strength with Factory-Fit Precision

If you like choosing your own finish and building things exactly how you want them, this rear end bumper is right up your alley. Designed specifically for 2020–2025 GMC Sierra 2500 and 3500 trucks, the Chassis Unlimited Attitude Series delivers raw steel strength with a factory-clean fit that doesn’t look slapped on. This isn’t just another rear aftermarket bumper—it’s a solid foundation for hard work, off-road use, or a fully custom build. Same proven design as the coated version, just ready for paint, powder coat, or whatever direction you’re taking your truck.

 

Reinforce Your Sierra with Heavy-Duty Rear Aftermarket Bumper Confidence!

  • Modular 3-Piece Design – Center and wing sections bolt together tight, giving you serious strength with the ability to replace or customize sections later.
  • Built-In Recovery Muscle – Integrated 1" thick recovery points are ready when towing, pulling, or trail recoveries come into play.
  • Easy Bed Access – Corner and center steps make climbing in and out of the bed smoother, whether you’re working or loading up gear.
  • Lighting Where It Counts – Rear recessed mounts accept 3" cube lights to improve visibility when backing up or working after dark.
  • Factory Sensor Friendly – Designed to work cleanly with factory parking sensors and blind spot detection systems.
  • Raw Finish, Real Freedom – Uncoated steel lets you finish this bumper your way without paying twice for a surface you’ll strip anyway.

 

Why Pick This Chassis Unlimited Rear End Bumper Replacement?

This rear end bumper replacement gives you full control without sacrificing strength or fitment. Built from 3/16" USA steel and engineered specifically for GMC heavy-duty trucks, it delivers the protection and utility serious Sierra owners expect.

 

If you’re shopping for a GMC rear bumper that’s ready for customization and built to last, this Chassis Unlimited Attitude rear bumper is a solid place to start. Bolt it on, finish it your way, 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.