Mixes with all quality antifreeze. Harmless to rubber, aluminum and other metals. Pellet-sized sealer dissolves to form a lasting internal and external seal in engine blocks and heads, radiator and heater cores, head gaskets, hose connections, and freeze plugs. Reviews There are no reviews yet. Be the first to review “10-oz. Bar’s Leak Cooling System Sealer” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.
