Direct Replacement The Fuel Tank Crossmember Compatible With 2007-2014 Chevy Silverado & GMC Sierra 1500/2500/2500HD Heavy-Duty Steel Construction Made of high-strength steel for maximum durability and structural support, ensuring long-lasting performance under heavy loads Rust-Proof Design Features a black anti-Rust oil coating to prevent corrosion, ideal for harsh weather and road conditions Function Direct replacement cross member that is located just in front of the rear axle that supports the rear end of the fuel tank and the passenger side upper shock mount Enhanced Fuel Tank Support Provides strong structural support to prolong the life of your fuel tank and prevent sagging Easy Install Remove the fuel tank and the old shock,cut away the original crossmember,then place the new crossmember properly, weld-on solid,re-install your fuel tank and new shocks.