Feature: 1. Fitment: Replacement for Escalade, replacement for Avalanche Camaro Silverado, replacement for Sierra 1500 2500 3500, replacement for Yukon, etc. 2. OE Number: The replacing reference part numbers of the TPS IAC kit are TH149, AC234 , which can assist you find exactly what you need. 3. High Performance: Professional manufacturing, throttle position sensor and idle air control valve high performance, strong reliability, making sure safety use. 4. Package Contents: The kit includes 1pc throttle position sensor, 1pc idle air control valve, 1pc rubber washer, 2pcs screw and 4pcs gasket. 5. Material: Constructed of high strength aluminum alloy and ABS material, TPS IAC kit is sturdy, high temperature resistant, not easy to damage. Specification: Item Type: TPS IAC Kit Material: Aluminum Alloy + ABS OE: TH149, AC234 Fitment: Replacement for Escalade Base Without Traction Control 2002 Replacement for Escalade EXT Base Without Traction Control 2002 Replacement for Avalanche 1500 (submodel: Base, On Road Edition, Z71) Without Traction Control 2002 Replacement for Camaro (submodel: Z28, Z28 SS) 2000-2002 Replacement for Silverado 1500 WT Without Traction Control 2002 Replacement for Silverado 1500 (submodel: Base, LS, LT) Without Traction Control 2000-2002 Replacement for Silverado 1500 (submodel: Base, LS, LT) 99 Replacement for Silverado 1500 HD (submodel: LS, LT) Without Traction Control 2001-2002 Replacement for Silverado 2500 (submodel: Base, LS, LT) Without Traction Control 2000-2002 Replacement for Silverado 2500 (submodel: Base, LS, LT) 99 Replacement for Silverado 2500 HD (submodel: Base, LS, LT) Without Traction Control 2001-2002 Replacement for Sierra 1500 (submodel: SL, SLE, SLT) Without Traction Control 2000-2002 Replacement for Sierra 1500 (submodel: Base, Denali, HT, WT) Without Traction Control 2002 Replacement for Sierra 1500 (submodel: SL, SLE, SLT) 99 Replacement for Sierra 1500 HD (submodel: SLE, SLT) Without Traction Control 2001-2002 Replacement for Sierra 2500 Base Without Traction Control 2002 Replacement for Sierra 2500 (submodel: SL, SLE, SLT) Without Traction Control 2000-2002 Replacement for Sierra 2500 (submodel: SL, SLE, SLT) 99 Replacement for Sierra 2500 HD Base Without Traction Control 2002 Replacement for Sierra 2500 HD (submodel: SL, SLE, SLT) Without Traction Control 2001-2002 Replacement for Sierra 3500 Base Without Traction Control 2002 Replacement for Sierra 3500 (submodel: SL, SLE, SLT) Without Traction Control 2001-2002 Replacement for Yukon (submodel: SLE, SLT) Without Traction Control 2000-2002 Replacement for Yukon XL 1500 Denali GAS, Without Traction Control 2001-2002 Replacement for Yukon XL 1500 (submodel: SLE, SLT) GAS, Without Traction Control 2000-2002 Replacement for Yukon XL 1500 (submodel: SLE, SLT) FLEX, without Traction Control 2002 Replacement for Yukon XL 2500 (submodel: SLE, SLT) GAS, Without Traction Control 2000-2002 Replacement for Firebird (submodel: Formula, Trans Am) 2000-2002 Replacement for GTO Base 2004. Package List: 1 x Throttle Position Sensor1 x Idle Air Control Valve1 x Rubber Washer2 x Screw4 x Gasket Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!