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529.06.0022 Visco Fan Drive, Cooling System
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529.06.0022 Compatible Visco Fan Drive

529.06.0022

Summary

This high-strength Visco Fan Drive is designed for heavy commercial vehicle cooling systems. It ensures precise thermal management and optimized engine performance in DAF 95XF, XF95, and CF85 models. Engineered for durability and efficiency under heavy-duty conditions. Equivalent to OE DAF 1427573S.

Product identifiers
EAN Code8683457017825
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Compatible OEM Codes

  • DAF
    • 1680935S
    • 1666098S
    • 1427573S

Description

What does a visco fan drive do?

The viscous fan drive acts as a critical control element within the engine's cooling system. By using high-viscosity silicone oil to modulate the coupling ratio, it adjusts the fan speed steplessly based on the cooling demand. This prevents unnecessary high-speed rotation, which helps maintain the engine's thermal balance and contributes to significant fuel savings during operation.

Vehicle compatibility and benefits

This specific unit is compatible with DAF 95XF, XF95, and CF85 models. It provides essential shock damping during speed transitions, which helps preserve the lifespan of both the fan blades and the bearings. By disengaging or reducing rotation during low-load or cold-start scenarios, it also supports faster engine warm-up times.

Installation and maintenance

For proper installation, technicians should verify that the mounting interface matches the existing hub and check all connection points. It is recommended to inspect the cooling system integrity to ensure the new component operates within its intended thermal parameters. Always consult the vehicle's service manual to confirm exact suitability before assembly.

Troubleshooting and selection

Consult your authorized distributor to ensure correct fitment for your specific engine configuration.

OE cross-reference

529.06.0022 (Visco Fan Drive Fan) is the equivalent of the DAF OE numbers. This part directly replaces DAF OE numbers 1427573S, 1666098S, 1680935S.

Other OEMs

DAF

  • 1680935S
  • 1666098S
  • 1427573S

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAF
DAF 95XF
DAF CF85
DAF XF95

FAQ

What is the main function of a visco fan drive?
It regulates fan speed based on temperature requirements using silicone oil, optimizing engine cooling and reducing unnecessary power draw.
Which DAF models is this part compatible with?
This component is designed for use in DAF 95XF, XF95, and CF85 heavy commercial vehicles.
How does a viscous hub improve fuel efficiency?
By unloading or reducing the fan speed at idle or low load, it reduces the mechanical drag on the engine, saving fuel.
What are common symptoms of a failing viscous fan?
Potential symptoms include engine overheating or a constant high-speed fan noise even when the engine is at operating temperature.
What are the OE reference numbers of this part?
529.06.0022 directly replaces DAF OE numbers 1427573S, 1666098S, 1680935S.