For 2014-2017 Chevrolet Silverado 1500 5.3 L V8 VIN:C. For 2014-2017 Chevrolet Silverado 1500 4.3L V6 FLEX VIN:H. For 2017 Chevrolet Silverado 1500 ELECTRIC / GAS VIN:R. The fuel injector transfers gas from the tank into the engine cylinders to provide power for the vehicle.