543.03.0005 Compatible Radiator Expansion Tank

What does a radiator expansion tank do?

This radiator expansion tank serves as a critical component within the engine cooling system, managing coolant pressure and volume fluctuations. By providing a space for thermal expansion, it helps prevent system overpressure and maintains consistent fluid levels during heavy-duty operation.

Vehicle and engine compatibility

This part is compatible with Volvo vehicles including the FH12, FH16, FM12, and FL12 models, as well as Renault Trucks Magnum. It is also suitable for various engine configurations such as the D12, D16C, and DXi12 series. The component is engineered to withstand the thermal stresses typical of heavy commercial vehicle environments.

Installation and maintenance

For correct installation, technicians should ensure the mounting points are clean and the connections are secure to prevent leaks. Regular inspection of the tank housing and cap integrity is recommended to maintain optimal cooling efficiency in the vehicle's radiator system.

Selection guidance

Always verify compatibility using the chassis number or existing OE references to ensure precise fitment for specific engine models like the D10A or TD122.

OE cross-reference

543.03.0005 (Radiator Expansion Tank) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1674916.