Rust Buster Rear Frame End Repair Kit For 2003-2012 Dodge Ram 2500/3500 RB7901
RB7901- Fits 2003-2012 Dodge Ram 2500/3500
- Caps the very end of the Frame Rail
- Measures 14.31" in length
- Reinforces a known weak spot that commonly rots on 2002-2012 Ram Heavy Duty Trucks
- 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
Dowloadable PDF: RBxxxx
Inventory Last Updated: Jun 25, 2026