1 oil cap seal made from NBR rubber to fit all Buick twist on oil caps from 1939-1966.
Fix that loose and sloppy fitting oil cap by replacing that missing or dry rotted seal with a new one.
Will not swell.
Seal only. Oil Cap not included.
Fits: Buick all full sized 1939-1966
Engines: 215 248 263 264 300 320 322 340 364 400 401 425