Hitachi's Electronic Throttle Bodies (ETBs) are designed to provide extraordinary accuracy with quick response times. High quality materials ensure that even under the most extreme conditions, Hitachi's ETBs will not malfunction. Precision Throttle Position Sensor (TPS) Circuitry maintains accurate engine mapping resulting in optimal fuel economy and performance. Details such as internal gear sizes, tooth count, materials, and protected circuitry provide a durable and reliable product approved by OE manufacturers. Designed to meet the exact needs of each specific vehicle, Hitachi's electronic throttle bodies are the premium choice. Known Compatibility: 2002-2007 - Cadillac Escalade, Cadillac Escalade ESV, Cadillac Escalade EXT, Chevrolet Avalanche 1500, Chevrolet Envoy XL, Chevrolet Envoy XUV, Chevrolet Express 1500, Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 1500, Chevrolet Silverado 1500 Classic, Chevrolet Silverado 1500 HD, Chevrolet Silverado 1500 HD Classic, Chevrolet Silverado 2500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 2500 HD Classic, Chevrolet Silverado 3500, Chevrolet Silverado 3500 Classic, Chevrolet Suburban 1500, Chevrolet Suburban 2500, Chevrolet Tahoe, Chevrolet Trailblazer EXT, GMC Savana 1500, GMC Savana 2500, GMC Savana 3500, GMC Sierra 1500, GMC Sierra 1500 Classic, GMC Sierra 1500 HD, GMC Sierra 1500 HD Classic, GMC Sierra 2500, GMC Sierra 2500 HD, GMC Sierra 2500 HD Classic, GMC Sierra 3500, GMC Sierra 3500 Classic, GMC Yukon, GMC Yukon XL 1500, GMC Yukon XL 2500, Hummer H2, Hummer Rainier - Engine: 4.8L, 5.3L, 6.0L