Dorman 977-339 Electronic Throttle Body

Electronic Throttle Body

The electronic throttle body assembly maintains the correct volume of air flow into the engine. Sold as a complete unit, our throttle body features a butterfly valve which is electronically controlled by the Engine Control Unit (ECU) to precisely open and close to regulate the fuel/air mixture. Since this part is essential to the operation of your vehicle's engine, quality tests on this part include on-vehicle testing and corrosion resistance testing to ensure this part conforms to product