1987 Ford F250, F350 Diesel Pickup. 1988 Ford F250, F350 Diesel Pickup. 1989 Ford F250, F350 Diesel Pickup. For 1987-1989 Ford Full-Size Pickup 19 gallon DIESEL ENGINE ONLY(side)tank sending unit. 1PCS FMSU-5DE Diesel Pickup Sending unit(Side tank ).