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11OZ Cooling Sys Sealer
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Bar's Leak, 11 OZ, Cooling System Sealer, Mixes With All Quality Antifreeze, Harmless To Rubber, Aluminum & Other Metals, Pellet Sized Sealer Dissolves To Form A Lasting Internal & External Seal In Engine Blocks & Heads, Radiator & Heater Core, Head Gaskets, Hose Connections, Freeze Plugs.