Rust Buster Core Support Mount For 2003-2014 GM Full Size 1500 Van RB9012
RB9012L- Fits 2003-2014 Chevy Express 1500 SWB
- Fits 2003-2014 GMC Savana 1500 SWB
- Built to OE Spec
- Replaces the Factory Core Support Mount on the 135" Wheelbase Van
- Made with Heavy Duty 11 Gauge Steel
- Protect with Rust Buster Rust Converter Paint RB9917
- Bolt on Installation
- Welding required for Brake Line Bracket
- Ships with an oil protective coating to prevent oxidation during transit
- Backed by our Lifetime Warranty
Rust Buster Cab & Bed Mounts are engineered as a safe, proven solution for restoring critical body-to-frame connection points without compromising vehicle alignment or OE mounting geometry. Designed to address common corrosion and structural fatigue areas, each mount is precision-formed to integrate seamlessly with the original frame, ensuring proper fitment, secure attachment, and long-term durability.
By replacing only what’s compromised, you maintain factory body alignment, eliminate unwanted movement, and restore structural integrity without unnecessary frame replacement. Built from heavy-duty materials and backed by decades of engineering expertise, every Rust Buster cab and bed mount is designed to perform in real-world conditions — and supported by our Lifetime Warranty.
Installation Instructions
Dowloadable PDF: RB9012L & RB9012R Installation Instructions
