
Replace the factory rear shock mount on your GM HD truck with the Rust Buster RB7843 rear shock mount. Fits 2011-2019 Chevy Silverado and GMC Sierra 2500HD and 3500HD models with all cab and bed configurations. Passenger-side mount installs on the rear fuel tank crossmember, while the driver-side mounts on the rear shock tube crossmember. Built from heavy-duty 7-gauge steel, includes a Class 10.9 shock bolt, requires welding, ships with a protective oil coating, and is backed by a lifetime warranty.