Radiator Cap ornamental type 4 PSI pressure cap with wing finger lug, for tractors: 9N, 2N, 8N, (1939-1952).

4 PSI Radiator Cap for Ford tractor models NAA, 600, 700, 800, 900, 601, 701, 801, 901 2000, 4000 Series 4 cyl. Gas & diesel 1953-1964, except Majors.

13 psi radiator cap for Ford tractor models: 2000, 3000, 4000, 5000, 7000, (1965 to 1975); 2600, 3600, 4100, 4600, 5600, 5700, 6600, 6700, 7600, 7700, (1975 to 1981); 2610, 3610, 4110, 4610, 5610, 6610, 7610, 7710, (1981 & up). Replaces D2AE8100A1A