Good question, Keith. Yes, Sea Foam Motor Treatment does not have a shelf life so it is definitely still good to use after a few years. As long as the cap is on tight and the fluid is clear, it’s good to use. With the cap on tight, Sea Foam will last decades.
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Good question, Keith. Yes, Sea Foam Motor Treatment does not have a shelf life so it is definitely still good to use after a few years. As long as the cap is on tight and the fluid is clear, it’s good to use. With the cap on tight, Sea Foam will last decades.