Professional Parts SWEDEN 21434963 Engine Coolant Expansion Tank

The Professional Parts SWEDEN 21434963 is an engine coolant expansion tank, also called a coolant overflow tank or coolant reservoir. It is part of the engine cooling system. It holds coolant that expands as the engine heats up and returns it to the system as the engine cools.

Key Points:

• Part type: engine coolant expansion tank (coolant reservoir / overflow tank)
• Brand: Professional Parts SWEDEN
• Manufacturer part number: 21434963

A replacement expansion tank helps keep the cooling system working as intended.