Fits 2007-2018 Chevy Silverado 1500 Fits 2007-2018 GMC Sierra 1500 Also Fits 2004-2006 Chevy Silverado 1500 Crew Cab Short Bed (Factory Welded Spring Mount Applications) Also Fits 2004-2006 GMC Sierra 1500 Crew Cab Short Bed (Factory Welded Spring Mount Applications) Fits all 5.8" & 6.6" Length beds for 2007-2018 For 8ft Beds, See RB7393 Replaces GM Factory Part Number(s) 19256643 & 19256645 Made from Heavy-Duty 7 Gauge Steel Built to OE Specs Includes Class 10.9 Hardware Ships with an Oil protective coating to prevent Oxidation during transit Welding required Protect with Rust Buster Rust Converter Paint RB9917 Backed by our Lifetime Warranty Rust Buster leaf spring and control arm mounts are engineered as a direct-fit solution for restoring critical suspension attachment points compromised by rust and structural fatigue, without altering factory geometry or alignment. Designed to reinforce high-load areas where failure is common, each mount is precision-formed to integrate seamlessly with the original frame, ensuring proper suspension positioning, secure attachment, and long-term durability. By replacing only what’s compromised, you maintain ride quality, handling, and safety while avoiding unnecessary full-frame repairs. Built from heavy-duty materials and designed for real-world conditions, Rust Buster mounts deliver a dependable, OE-respecting solution backed by our Lifetime Warranty. INSTALLATION INSTRUCTIONSDownloadable PDF - RB7337 Installation Instructions.pdf