APDTY 112541 Throttle Body Assembly Fits Select Chevy or GMC V8 Gas View Description, Escalade Avalanche Silverado Sierra SSR Suburban Tahoe Yukon Envoy Trailblazer Express Savana Rainier Hummer H2 Solves Erratic Throttle Response, Stalling, & Trouble Code PO120 Includes New Throttle Actuator Includes New Internal TPS (Throttle Position Sensor) & IAC (Idle Air Control Valve) Compatible With Select 2003 Thru 2007 4.8L 5.3L or 6.0L LS Engine Replaces 12679525, 12570800, ACDelco 217-2293, ETB0019