For GMC Savana 2500 2010-2020. for GMC Savana 3500 2010-2020. for GMC Savana 4500 2010-2019. The fuel injector transfers gas from the tank into the engine cylinders to provide power for the vehicle. Gas enters the fuel injectors in the form of liquid and transforms it into the mist to spray it into the cylinder for efficient and quick fuel burning.
