Rust Buster Rear Frame Rail For 2000-2006 Toyota Tundra RB8621

RB8621L
  • Unit price per 
Shipping calculated at checkout.


  • Fits 2000-2006 Toyota Tundra
  • Fits Regular Cab, Access Cab & Double Cab
  • Includes new hardware for Leaf Spring Mount
  • Replaces the last 26" of the Frame Rail up to the rear bumper
  • We included knockout tabs to be able to install part with or without having to remove OEM rivets
  • 1/8 Inch Steel
  • Laser Cut, Bent and Welded
  • Requires Welding to install
  • Product ships raw with rust preventative oil coating to prevent oxidation during transit
  • We recommend coating with Rust Buster Rust Paint RB9917 after completing install
  • Backed by a Lifetime Warranty

In the box: Rear Frame Rail & Hardware

Introducing the Rust Buster RB8621, a specialized rear frame section repair kit designed for the 2000-2006 Toyota Tundra. Suitable for Regular, Access, and Double Cab models, this kit is the perfect solution for repairing frame rust issues.

The RB8621 kit stands out with its precision engineering and robust construction. It's made from 1/8 inch thick steel, expertly laser cut, bent, and welded to ensure a perfect fit and long-lasting repair. This 26-inch section replaces the last part of the frame rail up to the rear bumper, completely capping off the frame from the outside.

Installation is streamlined and adaptable. The kit includes innovative knockout tabs that allow for installation with or without removing OEM rivets. Additionally, the kit comes with new hardware for the leaf spring mount, featuring high-quality zinc yellow chromate class fasteners for enhanced durability and corrosion resistance.

Shipped with a rust preventative oil coating, the RB8621 arrives ready for installation, safeguarding it from oxidation during transit. While the kit requires welding for installation, it's engineered for ease of installation, prioritizing fitment and OEM compatibility.

Rust Buster's engineering team brings over 45 years of combined experience to this product. They employ the latest in Scanner Solutions and CAD Software to capture the intricate details of your truck's frame, ensuring a precise fit. This modern approach to design and manufacturing sets Rust Buster apart in the market.

We're confident in the quality of our product, which is why we back the RB8621 with a lifetime warranty. Choose Rust Buster for a reliable, high-quality solution to your Toyota Tundra's frame rust issues.


Installation Instructions

Downloadable PDF: RB8621 Installation Instructions.pdf

Inventory Last Updated: Jun 17, 2024
California Residents: Prop 65 Warning

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