Expansion tank coolant reservoir bottle compatible with Nissan Micra K11 92-02, accessory OE number: 21710-43B01 Benefits and features - Improved engine cooling: By controlling the coolant flow through the radiator, this coolant expansion tank helps regulate heat dissipation and supports engine cooling performance. - Original specification fit: Meets the vehicle’s original specification and fits perfectly on the original vehicle; a proper seal helps prevent coolant leaks. - Reliable compatibility: Specifically designed for Nissan Micra K11 models produced from 1992 to 2002. Why you need it - Maintains correct coolant pressure and helps prevent overheating. - Supports the cooling system’s longevity and reliability. Use scenarios - Replacing a worn or leaking expansion tank on a Nissan Micra K11 to restore cooling system function. - Driving in hot climates or during heavy load where higher heat is generated to maintain stable engine temperatures. - After cooling system maintenance (radiator, hoses, or thermostat) to ensure proper fit, seal, and leak prevention.