Rust Buster Center Frame Section For 1973-1991 Chevy/GMC K5 Blazer/Jimmy RB7438

RB7438L
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  • Fits 1973-1991 Chevy K5 Blazer
  • Fits 1973-1991 GMC K5 Jimmy
  • Caps the Frame Rail below the Door
  • Measures 21.80" in Length
  • Includes Class 10.9 Hardware
  • Includes OE Rivet Holes
  • Made from Heavy-Duty 7 Gauge Steel
  • Includes OEM holes to match original frame
  • Protect with Rust Buster Rust Converter Paint RB9917
  • Welding Required
  • Ships with Protective oil coating to prevent oxidation during shipping
  • Back by a Lifetime Warranty

By utilizing the latest in Scanner Solutions and CAD Software Rust Busters crack engineering team is able to capture your specific model truck's frame contours down to the smallest detail. We take a Modern Approach and tailors each frame section to fit your vehicle and application with the unique vision that puts Fitment, Installation Ease and OE compatibility to the top of our priority list. We strive to set ourselves apart from the competition by being better in every area the current market has to offer, with a combined 45 of experience under Rust Busters Engineering staff we are here to put an end to all your rust issues.  Because of this, we back all of our frame pieces with a Lifetime Warranty.


Installation Instructions
Downloadable PDF: RB7438L & RB7438R Installation Instructions.pdf 

Inventory Last Updated: Dec 27, 2025
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