Radiator Cap, 4 psi.
Part Reference Numbers: 1106-5119,1T8100A, 1T8100A2, 1T8100A2GV,R1851,213485,228545
Make : Ford
Model : 8N, 2N, 9N, NAA, 600, 700, 800, 900, 2000, 4000 series w/4-cyl gas & diesel (1953-1964, except Majors)