(SEE NOTES) RYANSTAR Universal Car Radiator Coolant Tank 800ml Coolant Expansion Tank Overflow Oil Catch Tank Cooling Catch Bottle Reservoir Aluminum Billet Black

Additional Details from the Manufacturer

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More features

• 【6061 Aluminum】Expansion tank made of 6061 aluminum for enhanced strength, anodized polished and durable, better than plastic material.Updated the hose to 5/16" NBR fuel hose.
• 【Prevent Coolant Leakage】Tight closed cap, Fully Tig Welded and Thread Come with O-ring Gasket， Keep a good closed environment and Prevent coolant leakage.
• 【Prevent Rust】The radiator coolant overflow tank is fairly simple device but it can save you a lot of money by preventing rust formation in the cooling system of your car.
• 【Keep Operational Temperatures】Radiator coolant overflow tank makes the engine coolant to keep it within the operational temperatures when the engine is running at its optimum performance.
• 【Coolant Back Into Radiator】When coolant will start to cool down, it will contract in volume, a vacuum valve in the pressure cap opens allowing the coolant which was flown into the radiator coolant overflow tank back into the radiator.