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529.03.0048 Visco Fan Drive, Cooling System
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529.03.0048 Volvo Compatible Visco Fan Drive

529.03.0048

Summary

This high-strength visco fan drive is engineered for heavy-duty cooling systems. It is compatible with various Volvo engines including D12C, D12D, D16C, and D9B, ensuring optimal thermal management for heavy commercial vehicles. Equivalent to OE Volvo 20397618S.

Product identifiers
EAN Code8683457069688
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Compatible OEM Codes

  • VOLVO
    • 85006021S
    • 85000021S
    • 20397618S

Description

What does a visco fan drive do?

The visco fan drive plays a critical role in the engine cooling system by regulating airflow through the radiator. By utilizing a heat-sensitive mechanism, this component ensures the fan speed adjusts according to the engine temperature, providing efficient cooling during high-load operations and reducing unnecessary drag during lower temperatures. This ensures the engine operates within safe thermal limits under heavy-duty conditions.

Compatible vehicles and engines

This component is compatible with several Volvo models, including the FH12, FH16, FM series, and VHD. It is specifically designed to work with various engine configurations such as the D12C, D12D, D16C, D9B, and D9A. Additionally, it is fitted to Renault Trucks Magnum models equipped with DXi12 engines.

Installation and maintenance

For optimal performance, technicians should inspect the viscous coupling for leaks or improper engagement during routine maintenance. Ensuring correct installation according to professional standards prevents overheating and extends the service life of the entire cooling assembly.

Troubleshooting and selection

Check the compatibility list.

OE cross-reference

529.03.0048 (Visco Fan Drive Fan) is the equivalent of the Volvo OE numbers. This part directly replaces Volvo OE numbers 20397618S, 85000021S, 85006021S.

Other OEMs

VOLVO

  • 85006021S
  • 85000021S
  • 20397618S

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS Magnum DXi12
VOLVO
VOLVO B9L D9B
VOLVO B9R D9B
VOLVO B9TL D9B
VOLVO FE D9B
VOLVO FH12 D12C
VOLVO FH12 D12D
VOLVO FH16 D16C
VOLVO FM10 D10A
VOLVO FM12 D12C
VOLVO FM12 D12D
VOLVO FM9 D9A
VOLVO FM9 D9B
VOLVO NH12 D12C
VOLVO TAD1140-1172VE D9
VOLVO VHD D12
VOLVO VNL D12

FAQ

What is the function of a visco fan drive?
It regulates the speed of the cooling fan based on temperature to ensure efficient heat dissipation in heavy-duty engines.
Which Volvo engines are compatible with this part?
It is compatible with several Volvo engines including the D12C, D12D, D16C, D9B, and D9A series.
Can this part be used in Renault Trucks?
Yes, this component is compatible with Renault Trucks Magnum models using the DXi12 engine.
How can I tell if a visco fan drive is failing?
Symptoms of failure include engine overheating or a fan that fails to engage properly when the engine reaches operating temperature.
What are the OE reference numbers of this part?
529.03.0048 directly replaces Volvo OE numbers 20397618S, 85000021S, 85006021S.