An Engine Cylinder Head Core Plug closes the casting openings in the cylinder head to prevent coolant from escaping and to maintain stable internal pressure during operation. It ensures that coolant flows only through the intended passages, supporting consistent temperature control across the engine. By keeping the cooling system sealed, the plug helps prevent overheating, reduces the likelihood of performance loss due to fluid loss, and supports reliable operation over extended use.Attributes:• Prevents coolant from escaping into unwanted areas.• Withstands high temperatures from engine operation.• Helps maintain coolant circulation balance.Applications: An Engine Cylinder Head Core Plug is used in the cylinder head to seal casting holes and retain coolant, ensuring stable temperature control and efficient engine operation.