Gasket sealant for use when repairing the gasket on your vehicle. The head gasket sits between the engine block and cylinder head in an internal combustion engine, sealing the cylinders for maximum compression and to stop leakage of coolant or oil. If you have a leak or need to replace a blown head gasket use a quality gasket sealant which can withstand high temperatures, is waterproof and resistant to oil. This will ensure the safe running of your engine. Browse through our range of Instant Gasket, black silicone sealer, gasket compound and more to find the right product for your needs.