Rust Buster Center Frame Repair Kit For 2003-2012 Dodge Ram 2500/3500 RB7921
RB7921L- Fits 2010-2013 Ram 2500/3500 Crew Cab
- Caps the Frame Rail under the Cab
- Measures 28.75" in Length
- Matching OE Design
- Includes Perforations for Middle Body Mount
- Ships with an Oil protective coating to prevent Oxidation during transit
- Welding required
- Protect with Rust Buster Rust Converter Paint RB9917
- Backed by our Lifetime Warranty
Rust Buster frame repair kits are engineered as a safe, proven alternative to full frame replacement—restoring structural integrity without compromising vehicle geometry or OE mounting points. Each section is precision-designed to reinforce known failure areas while integrating seamlessly with the original frame, ensuring proper alignment, predictable installation, and long-term durability. This approach allows you to repair only what’s compromised, reduce downtime and cost, and keep your truck on the road with confidence. Backed by decades of engineering experience, every Rust Buster frame component is built to meet real-world demands and is supported by our Lifetime Warranty.
Installation Instructions
Downloadable PDF: RB7921L & RB7921R Installation Instructions.pdf
