529.03.0025 Volvo Visco Fan Drive Equivalent

What does a visco fan drive do?

A visco fan drive is a critical component within the engine cooling system that regulates airflow through the radiator based on temperature requirements. By utilizing a heat-sensitive viscous clutch, it ensures the fan operates at the optimal speed to maintain safe engine temperatures and prevent overheating under heavy loads.

Vehicle and engine compatibility

This component is specifically designed for heavy commercial vehicles, including Volvo models such as FH12, FM12, VHD, and VNL, as well as Renault Trucks Kerax and Premium. It is also suitable for Mack Granite and Pinnacle engines, ensuring reliable thermal management across various heavy-duty applications.

Installation and maintenance

Installation and maintenance should be performed by a workshop technician to ensure correct mounting and alignment within the cooling assembly. Regular inspection of the viscous element is recommended to prevent sudden temperature spikes during high-torque operations. Consult your authorized distributor.

System reliability

Maintaining proper fan engagement is vital for the longevity of the engine and radiator components. This part is manufactured to meet high-strength requirements for continuous heavy-duty use.

OE cross-reference

529.03.0025 (Visco Fan Drive Fan) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 20466633, 20517745S, 20805992S, 20854515, 20981224S, 85000097, 85000281S, 85000587S, 85000738S.