Exterior Components› Body Panels and Components

Rustbuster Frameworks

Rust Buster 4Runner & FJ Cruiser Front Body Frame Mount - Right

$79.99

SKU: R027 RB8429R

In Stock
In Stock
Ships by Aug 3
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: RB8429R

MIA's Description

The Rustbuster Frameworks RB8429R is a front body frame mount designed for the passenger side. It is constructed from heavy-duty 11-gauge steel and features laser cutting and CNC bending for a precise fit.

This frame mount is built to OE specifications and replaces Toyota part number 51703-35180. It is designed to address rust issues caused by water trapping and debris, common on Toyota 4Runners and FJ Cruisers. The product is made in the USA and comes with a lifetime warranty.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandRustbuster Frameworks
Part NumberR027 RB8429R

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy