Electronic Throttle Body Application Summary: Buick 2004, Cadillac 2006-03, Chevrolet 2007-03, GMC 2007-03, Hummer 2007-03 Original equipment throttle bodies often fail when moisture and oil intrusion foul the internal electronics. This Dorman OE FIX throttle body features Dorman Sensor Shield technology, a proprietary butterfly shaft seal to prevent future failures from this contamination.