1Fitment: Fit for E?150 1988?1996; Fit for E?250 1988?1996; Fit for E?350 1988?1996; Fit for Econoline Super Duty 1996; Fit for F Super Duty 1994?1997. 2OE Number: Replacing manufacturer part number for reference is F1UZ9B263B. Please make sure the OE number matches the part you are replacing. 3Improved Performance: Reservoir tank selector valve can effectively ensure proper operation of the fuel system to improve fuel economy and vehicle performance. 4Long Lasting Durability: Using high strength material to ensure the efficient operation of the fuel pump reservoir tank selector valve during the use of the vehicle. 5Excellent Replacement: The manufacturing in accordance with strict standard and specifications, professional, direct replacement, perfectly fit your car.