Forgot to install a fuel filter between the tank and your fuel pump? Is your pump not holding steady pressure or it's making noise? Sounds like dirt may have gotten in the relief valve. Overview Replacement fuel pump check valve kit for 12-802-1 and 12-812-1 "Blue" electric fuel pump Features: Check valve kit for 12-802-1 or 12-812-1 fuel pump Includes lower gasket, check valve, spring and inlet screen filter