Why choose our electronic throttle body? Excellent Performance:The E-Throttle utilizes an advanced electronic control system that provides a faster response time. This improves the acceleration of the vehicle. Reliability and Durability:Our electronic throttle is made of high quality materials that are resistant to corrosion and high temperature. It greatly improves the reliability of the product. Our electronic throttle will go through a series of durability tests before leaving the factory, including high temperature, low temperature, high humidity, vibration and other environmental simulation tests, to ensure that the product has excellent durability. Energy Saving and Environmental Protection:By precisely controlling the throttle opening, fuel is burned more fully, thus reducing fuel consumption and exhaust emissions. The fuel economy and environmental performance of the engine are further improved. Which cars can use our electronic throttle body? Compatible with Chevrolet: Silverado 1500 V8 4.8L 2003 - V8 5.3L 2003 - V8 5.3L ELECTRIC/GAS 2004 - V8 6.0L 2003 Silverado 1500 CLASSIC - V8 4.8L 2007 - V8 5.3L 2007 - V8 5.3L ELECTRIC/GAS 2007 - V8 6.0L 2007 Silverado 2500 V8 5.3L 2003 - V8 6.0L 2003 Silverado 2500 CLASSIC 6.0L V8 2007 Silverado 3500 V8 6.0L 2003 Silverado 3500 CLASSIC V8 6.0L 2007 Express 1500 V8 5.3L 2007 Express 2500 V8 4.8L 2007 - V8 6.0L 2004 Express 3500 V8 4.8L 2007 - V8 6.0L 2004 Suburban 1500 V8 5.3L 2003 - V8 6.0L 2006 Suburban 2500 V8 6.0L 2003 Compatible with Buiick: Rainier V8 5.3L 2004 Compatible with Cadillac: Escalade 2003-2006 (EXT ESV) Compatible with Isuzu: Ascender V8 5.3L 2003-2004 Compatible with GMC: Envoy XL V8 5.3L 2003-2004 (XUV 2004) Savana 1500 Van V8 5.3L 2007 Savana 2500 Van V8 4.8L 2007 Savana 2500 Van V8 6.0L 2007 Savana 2500 3500 Van V8 6.0L RPO Code KUP (Electronic Variable Speed)2004-2006 Savana 3500 Van V8 4.8L 6.0L 2007 Sierra 1500 V8 4.8L 2003 - V8 5.3L 2003 - V8 5.3L ELECTRIC/GAS 2005 - V8 6.0L 2003 Sierra 1500 CLASSIC V8 4.8L 2007 - V8 5.3L 2007 - V8 5.3L ELECTRIC/GAS 2007 - V8 6.0L 2007 Sierra 2500 V8 6.0L 2003 - CLASSIC V8 6.0L 2007 Sierra 3500 V8 6.0L 2003 - CLASSIC V8 6.0L 2007 Yukon V8 4.8L 2003 - V8 5.3L 2003 - V8 6.0L 2003 Yukon XL 1500 V8 5.3L 2003 - V8 6.0L 2003 Yukon XL 2500 V8 6.0L 2003-2006