Description Positioned directly on top of radiator and mounts to brackets on each end of radiator. Made of heavy-duty plastic, capacity assurance and pressure tested. Durable filler neck with brass liner bushing and great conductor of heat. 7/16 barbed fittings and 1/4 NPT port, requires a radiator cap in up to 16 Lb. fabricated of stainless steel (included). I. OEM Part Numbers F6HZ8A080B F5HZ8A080C F5HT8A080HA F6HZ-8A080-B F5HZ-8A080-C F5HT-8A080-HA II. Fit for the Following Models Replacement for Ford F600, F700, and F800 Series Trucks Replacement for 1980-1998 Ford B600 Replacement for 1980-1998 Ford B700 Replacement for 1980-1998 Ford B800 Replacement for 1980-1999 Ford F600 Replacement for 1980-1999 Ford F700 Replacement for 1980-1999 Ford F7000 Replacement for 1980-1999 Ford F800 Replacement for 1980-1999 Ford F8000 Replacement for 1980-1999 Ford F900 Replacement for 1980-1999 Ford F9000 III. Package Includes 1x Radiator Overflow Tank (As Pics Shown) [Professional installation is highly recommended.]