2007-2019 Chevy Silverado / GMC Sierra 1500 Fuel Tank Crossmember RB7340 Rust Buster FrameworksThe Fuel Tank Crossmembers on 2007 2019 Chevy Silverado GMC Sierra are prone to rusting away from their mountings over time through corrosion. When the Crossmember breaks, it leaves the Fuel Tank dangerously exposed and, in severe cases, the truck itself undrivable. This is where Rust Buster can help you. Rather than ratchet strapping your fuel tank back to the underside of your truck, we have tailor made this specific part to guarantee a perfect fit