ACDelco MU1779 GM Original Equipment Fuel Pump and Level Sensor Module with Seal, Float, and Harness Designed with guide rods to retain proper alignment while reducing pinching Include a reservoir and jet pump to prevent fuel pump starvation when the fuel level is low Most strainers are placed inside the module to help reduce the chance of puncture Acetyl plastic for good high-alcohol fuel tolerance Electrical connections are designed to help eliminate high resistance due to vehicle vibration