Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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$249.99 each
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Features, Description, Reviews, Q&A, Specs & Installation
Structural Restoration for Rust-Damaged Rear Frames. The Rust Buster Rear Frame Crossmember is engineered to replace the factory rear crossmember on 2014–2018 GMC Sierra 1500 models. It restores structural integrity to the rear frame section, especially in areas prone to corrosion and fatigue, ensuring safe towing and suspension performance.
Heavy-Duty Steel Construction with Protective Coating. Made from 11-gauge steel, the Rust Buster Rear Frame Crossmember offers superior strength and durability. It’s finished in Rust Buster’s signature black powder coat to resist corrosion, road salt, and moisture—extending the life of your Sierra 1500’s frame in harsh environments.
Compatible with Factory and Aftermarket Components. This Rust Buster Rear Frame Crossmember supports OEM suspension setups and is compatible with most aftermarket upgrades. Whether you're restoring a daily driver or prepping a work vehicle, it provides a solid foundation for rear-end components.
Installation. Putting this Rust Buster Rear Frame Crossmember on your Sierra 1500 takes 2 hours to install.
Warranty. There is a limited lifetime warranty on this product.
Application. The Rust Buster Rear Frame Crossmember fits 2014-2018 Sierra 1500 models.
Rust Buster RB7398
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation Info
Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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