The RustBuster rear mid-frame repair kit for 2007–2013 Chevy Silverado and GMC Sierra is a left-side assembly meant to restore the middle section of the rear frame. Provided for those model years, it replaces deteriorated mid-frame material to help maintain chassis strength and attachment points for suspension and body mounts during a targeted repair.
Rust Buster 2007-2013 Chevy Silverado/GMC Sierra Rear Mid Frame Repair Kit - Left