The Baldwin 3 3/32" Primary Fuel Filter Base is designed to provide a secure mounting and protect the fuel filter from damage. This fuel filter base helps to extend the lifespan of the fuel filter and reduce the risk of leaks by providing a secure fit. It features an inlet connection size of 3/8" NPT and an outlet connection size of 3/8" NPT. This fuel filter base meets all the necessary safety and performance standards. FleetPride is your First Click in Heavy Duty®.