1988-2002 Chevy Truck Right Hand Rocker Panel Backing Plate

The 1988-2002 Chevy Truck Right Hand Rocker Panel Backing Plate is a vital reinforcement panel designed to support the passenger-side rocker area on your GMT400 pickup. Positioned behind the outer rocker panel, this heavy-gauge stamped steel backing plate restores structural strength and rigidity to a commonly rusted section of the cab. Engineered for a factory-style fit, it integrates seamlessly with the floor pan and rocker to ensure long-lasting performance. Whether you’re replacing rusted components or doing a full cab restoration, this panel is essential for a complete, durable repair.

• Fits 1988-2002 Chevrolet and GMC C/K Series, Silverado, and Sierra pickups (passenger side)
• Reinforces the inner cab structure behind the rocker panel
• Heavy-gauge stamped steel for maximum strength and durability
• Restores structural support in one of the truck’s most rust-prone areas
• Designed to match factory contours for easy alignment and welding
• Ideal for rust repair, collision restoration, or full rocker replacement

Installation:
Difficulty: 4/5 – Requires cutting, welding, and precise panel fitting.
Instructions: Remove any corroded or damaged backing plate material. Prep and clean the surrounding metal. Test fit the new backing plate and trim if necessary. Weld securely behind the rocker panel, following original seam lines. Smooth welds, apply seam sealer, and finish with primer and undercoating to protect against moisture and corrosion.

Vehicle Fitment:

Reviews:

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