543.03.0002 Volvo Compatible Radiator Expansion Tank

What does a radiator expansion tank do?

This radiator expansion tank plays a critical role in maintaining the pressure and coolant levels within the engine cooling system. By managing thermal expansion, it helps prevent overheating and protects the integrity of the entire cooling circuit during heavy-duty operation.

Compatible vehicles and engines

The component is designed for a wide range of heavy commercial vehicles. It is compatible with Volvo models such as the FH12, FH16, FM12, FL12, and VNL, as well as Renault Trucks Magnum. This part is also fitted to Volvo F10, F12, FL10, FM10, NH12, NL10, NL12, B10B, B10M, and B12 series engines.

Maintenance and installation

For optimal performance, technicians should inspect the tank for signs of pressure loss or structural fatigue during routine maintenance. Ensuring a secure mounting and clean connections to the coolant pipes helps maintain consistent system pressure.

Selection guidance

Consult your authorized distributor to verify exact fitment for your specific chassis and engine type.

OE cross-reference

543.03.0002 (Radiator Expansion Tank) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 1080442, 8150556.