Fit for GMC 1999-2015 Sierra 2500 1999-2015 Sierra 3500 2000-2018 Sierra 2500 HD 2000-2018 Sierra 3500 HD 2001-2013 Yukon XL 2500 2003-2013 Savana 2500 2003-2013 Savana 3500 Fit for Chevrolet 1999-2015 Silverado 2500 1999-2015 Silverado 3500 2000-2018 Silverado 2500 HD 2000-2018 Silverado 3500 HD 2001-2013 Suburban 2500 2003-2020 Express 2500 2003-2020 Express 3500 Fit for Cadillac 2003-2014 Escalade ESV 2003-2014 Escalade EXT Fit for Hummer 2009-2010 H2 2009-2010 H3 Alpha 🔧 Key Features Replacement Part Number Fits GM part numbers 12668713, 12588400, 12585367, 12623360, and others for precise compatibility. Material Quality Made from reinforced steel with anti-corrosion coating, built to withstand high engine bay temperatures. Heat Protection Effectively reduces heat transfer to the starter motor, preventing overheating and potential failure. Easy Installation Designed for direct fitment with factory mounting points, ensuring hassle-free replacement. 🛠 Installation Instructions Turn off the vehicle and disconnect the battery. Remove the existing starter heat shield if present. Align the new heat shield with factory mounting points. Secure with original bolts and verify proper fit. Reconnect the battery and test vehicle start function. No modifications or extra tools required, installation is straightforward and efficient.