The Cylinder Head Plug blocks off specific coolant and oil passage openings within the cylinder head. The plug maintains proper fluid routing inside the engine. By sealing unused and service access ports, the plug ensures that internal pressures remain stable and that fluids flow only where required. It keeps the engine's thermal and lubrication systems functioning correctly.Attributes:• Seals off open passageways to maintain internal pressure balance.• Ensures fluid containment during engine operation.• Promotes consistent engine performance by sealing off access points.Applications: The Cylinder Head Plug is located on the cylinder head and seals off unused coolant and oil ports to prevent leaks, maintain internal pressure, and ensure efficient fluid flow paths within the engine.