The Coolant Bottle Cap serves as a sealed cover for the coolant reservoir, ensuring a closed system that maintains optimal engine performance. It works by sealing the coolant reservoir and maintaining the required pressure to prevent overheating. When the engine heats up, the coolant expands, creating pressure. The cap allows excess pressure to escape through a pressure relief valve, ensuring a safe and efficient cooling process. temperature.Attributes:• Durable and heat resistant.• Facilitates effortless removal and tightening.• Ensures a tight seal to prevent coolant leakage.Applications: The Coolant Bottle Cap seals the coolant reservoir, and facilitates easy access for routine checks and refilling, contributing to the overall cooling system performance.