Core Support Mount; Passenger Side (11-19 Sierra 2500 HD)Find parts that fit my vehicle

Heavy-Duty Core Support Mount. The Rust Buster Core Support Mount for the Passenger Side is designed to replace the OEM core support mount on heavy-duty trucks, restoring structural integrity and preventing rust damage. It plays a critical role in extending the life of your truck’s frame and ensuring reliable performance under demanding conditions.

Construction and Appearance. Manufactured from heavy-duty 7 gauge steel, this mount features precise laser-cutting, bending, and welding to exact OE specifications. It ships with an oil protective coating to prevent oxidation during transit and should be protected further with Rust Buster Rust Converter Paint for optimal rust prevention.

Installation. Installation requires welding and is recommended for professional or experienced installers familiar with frame repairs. Additional drilling or cutting may be necessary to fit the mount properly in place of the OEM component.

Warranty. This product is backed by a lifetime warranty, providing assurance of long-lasting durability and quality.

Application. Specifically designed to fit the 2011 to 2019 GMC Sierra 2500 HD, this core support mount accommodates all cab and bed configurations for these model years without exclusions.

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