Coolant Radiator Overflow Reservoir Expansion Water Tank Coolant Recovery Tank for vehicles with 12 mm adapter interface This 1 L radiator coolant overflow tank is designed to address common issues such as coolant overflow, leaks, and inadequate coolant pressure, particularly in aging or malfunctioning cooling systems, helping prevent engine overheating.It maintains proper coolant levels and balances pressure within the cooling system to support consistent radiator performance.Constructed from aluminum , the tank resists aging and deformation, providing in temperature environments.The design includes barb fittings and a bottom drain plug, each equipped with O-rings to a secure seal during installation.Use of tape during installation is recommended to achieve a leak-free fit.The tank is available in black or matte silver; actual color may vary slightly due to and photography conditions.Product details may vary from batch to batch due to ongoing improvements.The package includes one 1 L coolant overflow tank with cover in either black or matte silver, depending on availability.Compatibility is intended for vehicles with a 12 mm adapter interface.Confirmation with specific vehicle model specifications is advised before purchase.