Hastings Filters FF1167-SPS Fuel and Water Separator Filter Element with Drain, Sensor Port and Reusable Sensor Steel coil spring keeps its shape and maintains a positive load pressure on the adapter seal and element Superior protection leading to extended injection system component life Advanced filter media technology designed to remove harmful contaminants from fuel systems Patented all metal, self-venting drain valve for unmatched durability Covered by manufacturer's warranty for peace of mind