The Heater Lines Hose is used to transfer coolant from the air conditioner case to the cylinder head, this hose maintains the engine's operating temperature within optimal ranges, ensuring efficient combustion and preventing overheating by facilitating the circulation of coolant, this hose contributes to engine longevity and reliable performance, necessary for sustained productivity in demanding operational conditions.Attributes:• Provides leak-proof connections.• Resilience to vibration and pressure fluctuations.• Maintains structural integrity under varying temperatures.• Smooth inner surface for optimal flow. Applications: The Heater Lines Hose serves as a conduit between the air conditioner case and the cylinder head to regulate the engine's temperature by transferring coolant, thereby preventing overheating and ensuring optimal operating conditions.