Genuine 21742EA000 Engine Coolant Reservoir Overflow Hose

The Genuine 21742EA000 is an OEM engine coolant reservoir overflow hose designed to maintain proper cooling system operation. This factory-specification hose connects the coolant expansion tank to the cooling system, allowing excess coolant to flow into the reservoir as the engine heats up and returns it as the engine cools down.

Key Features:

• Genuine OEM Nissan part manufactured to exact factory specifications
• Direct replacement for worn or deteriorated reservoir hoses
• Engineered for precise fit and reliable long-term performance
• Resistant to coolant chemicals and engine compartment heat
• Essential component for maintaining proper coolant system pressure

This overflow hose is a critical cooling system component that prevents coolant loss and helps maintain optimal engine temperature. Regular inspection and replacement of deteriorated coolant hoses helps prevent overheating and costly engine damage. Sold individually.