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Repair rear frame rust on your GM HD truck with the Rust Buster RB7821L left-side rear frame repair kit. Fits 2011-2019 Chevy Silverado and GMC Sierra 2500HD and 3500HD single rear wheel models with a 6.5ft bed. Caps the frame from the bottom and includes a rear spring mount, spring eye bolt, OE-style mounting holes, and perforations for the rear bed mount. Built from heavy-duty 7-gauge steel, requires welding, ships with a protective oil coating, and is backed by a lifetime warranty.
