Dorman 977-018 Electronic Throttle Body. Fuel Injection Throttle Body. Throttle Body Finish: Silver. Throttle Body Finish: Natural. Throttle Body Material: Aluminum. Throttle Body Type: Electronic. Throttle Body Mounted: No Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. Rigorously tested - complies with Federal Motor Vehicle Safety Standards (FMVSS) and endurance-proven with over 1 million cycle tests This part is compatible with the following vehicles. Dorman Throttle Body Replacement Dorman 977-018 Electronic Throttle Body For Select 04-08 Buick Non-contact Sensor Original equipment throttle bodies often fail from moisture and oil intrusion and failed internal electronics. This Dorman OE FIX throttle body features a non-contact Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures Trustworthy quality - vehicle try-on tested, and backed by a team of product experts in the United States and more than a century of automotive experience This Dorman OE FIX throttle body features a non-contact Hall effect sensor and proprietary Sensor Shield butterfly shaft seal to prevent future failures. Fuel Injection Throttle Body Dorman 977-018 Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool