Rust Buster Core Support Mount & Forward Spring Mount For 1972-1993 Dodge Ram 150 RB7777

RB7777R
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  • Fits 1972-1993 Dodge Ram 150 4wd
  • Bult to OE Spec
  • Includes Core Support Mount & Forward Front Spring Mount
  • Includes all Hardware for Mounting
  • Includes Spring Eye Bolt 
  • Replaces Dodge OE Part Number 4447156 & 3736986
  • Ships with an Oil protective coating to prevent Oxidation during transit
  • Bolt on Design
  • Protect with Rust Buster Rust Converter Paint RB9917
  • Backed by our Lifetime Warranty 

Rust Buster cab and bed mounts are engineered as a safe, proven solution for restoring critical body-to-frame connection points without compromising factory 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 structural integrity, reduce unnecessary downtime and cost, and keep your truck solid and secure for the long haul—backed by decades of engineering experience and our Lifetime Warranty.


Installation Instructions
Downloadable PDF: RB7777L & RB7777R Installation Instructions.pdf 

Inventory Last Updated: May 28, 2026
California Residents: Prop 65 Warning