The Coolant Tank Cap is used to seal the top of the Coolant Tank filler neck. It has a spring-loaded valve that allows coolant to flow out of the Coolant Tank when the engine is hot but prevents coolant from boiling over and escaping when the engine is cool. It is made up of strong and durable material, such as plastic, to ensure strength and withstand high operating conditions.Attributes:• Relief pressure of 0.5 bar ensures reliable and consistent pressure release for enhanced safety• Manufactured to precise specifications and are built for durability and reliabilityApplications:The Coolant Tank Cap helps to keep the coolant clean and free of contaminants by preventing air from entering the cooling unit.