Rust Buster Inside Body Mount for 2006-2010 Hummer H3 - RB7521

The Rust Buster RB7521 Inside Body Mount is a heavy-duty structural repair solution designed specifically for 2006-2010 Hummer H3 models affected by rusted or weakened factory body mounts. Manufactured from 11-gauge steel, this inside body mount is CNC cut and precision bent to OE specifications, ensuring proper fitment, strength, and long-term durability in harsh driving conditions.

This mount installs directly in place of the original OEM inside body mount and is intended for permanent, professional-grade repairs. Each unit ships with a protective oil coating to help prevent oxidation during transit and installation. For maximum corrosion resistance and longevity, Rust Buster recommends sealing the repair with Rust Buster Rust Converter Paint RB9917 after installation. Welding is required. Backed by Rust Buster’s Lifetime Warranty, the RB7521 provides a reliable, factory-correct solution for restoring the structural integrity of your Hummer H3.