FITS THE FOLLOWING VEHICLES - The Throttle Body fit 2003-2006 for Chevy for Express 1500 5.3l, 2003-2006 for Chevy for Express 2500 4.8l, 2003-2005 for Chevy for Express 2500 5.3l, 2003-2006 for Chevy for Express 3500 4.8l, 2003-2006 for GMC for Savana 1500 5.3l, 2003-2006 for GMC for Savana 2500 4.8l, 2003-2005 for GMC for Savana 2500 5.3l, 2003-2006 for GMC for Savana 3500 4.8l. SUPERIORITY- The throttle body is a key part of the engine management system. It is used to control the engine speed and output power.. SUPERIOR PERFORMANCE- The throttle control system can achieve the full range of optimal output of the engine, accurately control the throttle opening, improve the engine's performance, and have higher vehicle driving reliability. At the same time, the driver can select different working modes according to different driving needs.. COMPREHENSIVE CHECKING- Quality materials and advanced production checking equipment are used to ensure product quality. The professional design allows the throttle to have a good function, and the car can precisely control the throttle opening..
