Gas Cap Replacement O-Ring
Common Black Plastic Gas fill caps have a O-Ring for sealing, they typically last 15-20 years, if you look at yours and see cracks and signs of rot it is best to change the O-ring.
Common Black Plastic Gas fill caps have a O-Ring for sealing, they typically last 15-20 years, if you look at yours and see cracks and signs of rot it is best to change the O-ring.