543.03.0001 Volvo expansion tank equivalent

What does a radiator expansion tank do?

This radiator expansion tank plays a critical role in the engine cooling system by managing coolant pressure and volume fluctuations. Built from high-strength components, it helps maintain stable thermal regulation within the radiator circuit, preventing overheating during intensive heavy commercial vehicle operations.

Compatible Volvo vehicles and engines

This component is specifically engineered for a wide range of Volvo truck models. It is compatible with Volvo FH12, FH16, FM10, FM12, and FL12 series, as well as the VNL and VHD models. Additionally, it fits various engine configurations including D12, D16C, and D10A series engines often found in these heavy-duty applications.

Installation and maintenance

For professional workshop technicians and fleet managers, ensuring a precise fit is vital. It is recommended to verify the existing part's specifications against the vehicle's chassis number to ensure perfect integration with the existing cooling circuit and pressure requirements.

System reliability

The component is designed to withstand the thermal stresses typical of long-haul transport and construction machinery environments.

OE cross-reference

543.03.0001 (Radiator Expansion Tank) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 1674918, 20517005, 3979764.