543.03.0010 Expansion Tank Compatible with Volvo

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 during operation. Engineered with high-strength components, it ensures the stable regulation of thermal expansion within the cooling circuit to prevent engine overheating.

Vehicle and engine compatibility

This part is specifically designed for heavy commercial vehicle applications, including Volvo FH, FM, FMX, VHD, and VNL series. It is also compatible with Volvo B11R and B13R models, as well as various Volvo engine configurations such as D13 and D11. This component is also fitted to Renault Trucks models like the T series and Premium series.

Installation and maintenance

For proper installation, technicians should ensure that all connection points are clean and free of debris. It is essential to verify the fitment against the chassis number to ensure perfect alignment with the existing cooling lines. Regular inspection of the tank body for pressure-related fatigue is recommended during routine maintenance intervals.

Selection guidance

Consult your authorized distributor.

OE cross-reference

543.03.0010 (Radiator Expansion Tank) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 21493205, 22430366, 22821828.