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 Product Features:Aluminum casting construction for an exact fit, performance match and corrosion resistanceReplacement restores proper engine functionExact fit for bolt-on and plug in installationQuality tests on this part include on-vehicle testing and corrosion resistance testing to ensure durability and a longer service life