Overflow and Expansion Tanks  There are 36 products.

Coolant expansion tanks are crucial to allow for coolant expansion in the coolant system without causing overheating and overflow conditions. The coolant overflow tank is used when the coolant system pressure is increased causing coolant to leave the radiator essentially capturing the expelled fluid but allowing to be pulled back in during cool downs. Replace that plastic worn out tank with a high quality version available from the industries leading manufacturers.