Restoring Classic Trucks: Reinforcing the Frame on Your 1st Gen Toyota Tundra Double Cab

First-generation Toyota Tundras (2000-2006), especially Double Cab models, are built

tough—but decades of exposure to winter road salt, anti-freeze agents, and de-icing chemicals accelerate frame corrosion, particularly in the rear sections. The original Toyota reinforcement channel just in front of the rear tire is a common failure point: rust eats away at it, compromising structural integrity, reducing tow capacity, and creating safety risks.

Our 1st Gen Tundra Double Cab Bolt-In Frame Support Channel is a direct, OEM-like

replacement that bolts in to restore the frame rail to Toyota's original design and strength. No welding required—simply repair the corroded area (clean, treat rust), then bolt this precision channel in place using provided high-strength hardware. It recreates the factory reinforcement, preserving payload and tow ratings when properly installed and undercoated.

Ideal for:

 Salt-belt owners — Halts progression in regions with heavy winter salting.

 Restoration focus — Returns the frame to near-OEM integrity for continued safe use.

 DIY accessibility — Bolt-on design makes it feasible for home mechanics or shops.

If your Double Cab Tundra's frame rail shows rust but is still repairable, this channel is the smart way to extend its life without sacrificing capability.