The Radiator Coolant Tank also known as a coolant reservoir or overflow tank, is a part of a cooling unit. It is located near the Radiator. From the coolant tank, the Coolant and Water Spray will pass through the Lines. It provides a place for excess coolant to go when the engine is hot and the coolant expands. The coolant tanks have a fill line that indicates the proper level of coolant in the unit. Attributes:• Manufactured to precise specifications and are built for durability and reliability• Prevent the coolant from overflowing from the radiator• Capacity of a Tank can hold 21 liters of Coolant Applications:The Radiator Coolant Tank is used to provide a place for the engine to draw coolant or water spray from when it needs to cool down and the assembly consists of parts like a plate, tube, filler neck, boss, and ring.