Throttle Body 12633774 for Chevrolet Cobalt LT, Chevrolet HHR LS, Chevrolet Malibu LS, Pontiac G5 Base Passenger Cars (2007–2010)Product Overview Part Name: Electronic Throttle Body Assembly Part Number: 12633774 Vehicle Compatibility: Chevrolet Cobalt LT, Chevrolet HHR LS, Chevrolet Malibu LS, and Pontiac G5 Base passenger cars equipped with 2. 2L gasoline engines and electronic throttle control systems (20072010). Configuration: OEM style electronic throttle body calibrated to GM Ecotec 2. 2L airflow specifications. Function: Controls engine air intake to ensure smooth