Rust Buster Mid Frame Repair Kit For 2003-2014 4Runner/FJ Cruiser RB8421

RB8421L
  • Unit price per 
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  • Fits 2003-2009 Toyota 4Runner
  • Fits 2007-2014 Toyota FJ Cruiser
  • Fits both V6 & V8 Engines
  • Measures 18" in Length
  • Installs at the Fuel Tank Crossmember and Caps 18' towards the rear
  • Caps from the bottom
  • Made from Heavy Duty 11 Gauge Steel (Control Arm Mount is 7 gauge)
  • Includes Lower Control Arm Mount
  • Includes Grade 10 M14 Hardware for Mounting Control Arm
  • CNC Bent for precise fit
  • Includes matching OE Frame holes for ease of installation 
  • Two additional drain holes added to prevent future rust issues
  • Pairs well with Rust Buster Rust Paint RB9917
  • Welding Required
  • Ships with an oil protective coating to prevent oxidation during transit
  • Backed by our Lifetime Warranty

If you're a proud owner of a 2003-2009 Toyota 4Runner or 2007-2014 FJ Cruiser, you're already familiar with its unparalleled blend of rugged durability, exceptional 4WD capabilities, and a ride quality that rivals many passenger cars. These features, along with its virtually indestructible engines and a hard-wearing interior, ensure your 4Runner/FJ Cruiser retains its value and remains highly sought after. However, the notorious issue of premature and excessive rust can mar this otherwise stellar reputation. That's where Rust Buster Frameworks steps in. We're dedicated to ensuring your 4Runner/FJ Cruiser overcomes this hurdle, helping you maintain its integrity and keep it adventuring on the roads for years to come. Trust us to be the shield against rust, safeguarding your investment and your journeys ahead.

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: RB8421 Installation Instructions.pdf

Inventory Last Updated: Oct 05, 2024
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