Fitment: Compatible with 2003-2006 GMC Yukon XL 2500 Sierra 3500/ Chevrolet Suburban 2500 Silverado 3500. Compatible with 2003-2007 GMC Sierra 2500 HD/ Chevrolet Silverado 2500 HD. Compatible with 2006 Chevrolet Avalanche 2500. Compatible with 2007 GMC Sierra 2500 HD Classic 3500 Classic 3500 HD/ Chevrolet Silverado 2500 HD Classic 3500 Classic 3500 HD. Replacement for GM1225259 25815982 High Quality: BALOCEO Radiator Support is made of high-quality steel with high hardness, fine workmanship and durability. Electrophoretic coating makes the surface of radiator support more wear-resistant, less prone to rust and can be used for a longer time More Protection: The Radiator Mount can reduce the vibration and impact of the radiator when the vehicle is running, This damping design can effectively reduce the risk of radiator damage due to external vibration or collision and prolong its lifespan Easy Installation: Screw installation method is adopted. No additional drilling or modifications required. This sturdy, reliable replacement product meets your replacement needs Package Included: 1 X Radiator Support. There are installation accessories but no instruction manual Fitment: Compatible with 2003-2006 GMC Yukon XL 2500 Sierra 3500/ Chevrolet Suburban 2500 Silverado 3500. Compatible with 2003-2007 GMC Sierra 2500 HD/ Chevrolet Silverado 2500 HD. Compatible with 2006 Chevrolet Avalanche 2500. Compatible with 2007 GMC Sierra 2500 HD Classic 3500 Classic 3500 HD/ Chevrolet Silverado 2500 HD Classic 3500 Classic 3500 HD. Replacement for GM1225259 25815982 High Quality: BALOCEO Radiator Support is made of high-quality steel with high hardness, fine workmanship and durability. Electrophoretic coating makes the surface of radiator support more wear-resistant, less prone to rust and can be used for a longer time More Protection: The Radiator Mount can reduce the vibration and impact of the radiator when the vehicle is running, This damping design can effectively reduce the risk of radiator damage due to external vibration or collision and prolong its lifespan Easy Installation: Screw installation method is adopted. No additional drilling or modifications required. This sturdy, reliable replacement product meets your replacement needs Package Included: 1 X Radiator Support. There are installation accessories but no instruction manual