Does anyone know the part number for my radiator cap, pictured below. It is stamped Motorcraft , with number 06390, but all replacements I can find with this reference are deep with the sprung pressure seal. Does this mean mine is broken, as it seems to work fine?
"DOT" 35th Anniversary Edition Plus 8- family owned from new. Rolls Royce Pewter. 06 Saab 93