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Sea Foam® Motor Treatment for Gas and Diesel Engines is a 100% pure petroleum product that works instantly to clean deposits from internal engine parts and remove moisture from oil crankcases and fuel tanks. As a fuel system additive, Sea Foam® motor treatment will clean carburetors, fuel injectors, clean carbon, gum and varnish deposits, add lubricity to fuel, stabilize fuel and control moisture. As an oil system additive, Sea Foam® motor treatment controls moisture, gum, varnish and residue deposits. Get the results you expect from a name you trust - buy Sea Foam Motor Treatment for Gas and Diesel Engines.