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529.02.0057 Visco Fan Drive, Cooling System
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529.02.0057 MAN Compatible Visco Fan Drive

529.02.0057

Summary

This visco fan drive is designed for MAN heavy commercial vehicles to regulate thermal balance and optimize fuel consumption. It provides variable fan speed control to prevent unnecessary high-speed operation and ensures rapid engine warm-up during cold starts. Equivalent to OE Mahle-Behr 8MV376791701 and MAN 51066300135.

Product identifiers
EAN Code8683457069541
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Compatible OEM Codes

  • MAN
    • 51.06630-0149
    • 51.06630-0135
  • MAHLE-BEHR
    • CFC 197 000 P
    • 8MV 376 791-701

Description

What does a visco fan drive do?

This visco fan drive functions as a critical control element within the cooling system, directly influencing the engine's thermal equilibrium and overall fuel efficiency. By adjusting fan speed steplessly according to the cooling demand, it prevents unnecessary high-speed rotation, which reduces parasitic power loss and helps the engine reach its optimal operating temperature more quickly.

Compatibility with MAN vehicles

This component is specifically designed for use in MAN trucks. It ensures that the fan engages effectively when additional heat loads, such as an A/C condenser or retarder, are active, while simultaneously reducing continuous high-speed noise. Consult your authorized distributor for precise fitment details.

Maintenance and benefits

The internal mechanism uses specialized fluid to provide shock damping during speed changes, which helps preserve the life of both the fan blades and the bearings. This ensures reliable performance under heavy-duty operating conditions.

System performance

For optimal performance, technicians should inspect the coupling during routine maintenance to ensure smooth engagement and disengagement. This component is an equivalent for Mahle-Behr and MAN systems.

OE cross-reference

529.02.0057 (Visco Fan Drive Fan) is the equivalent of the Mahle-Behr and MAN OE numbers. This part directly replaces Mahle-Behr OE numbers 8MV376791701, CFC197000P. It also replaces MAN OE numbers 51066300135, 51066300149.

Other OEMs

MAHLE-BEHR

  • CFC197000P
  • 8MV376791701
  • 70819582
  • 376791701
  • CFC 197 000 P
  • 8MV 376 791-701

MAN

  • 51066300149
  • 51066300135
  • 51.06630-0149
  • 51.06630-0135

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAHLE-BEHR
MAN

FAQ

How does a visco fan drive improve fuel efficiency?
The unit unloads at idle or low load, reducing the power drawn from the engine and allowing for significant fuel savings during operation.
Does this part help with engine warm-up?
Yes, by disengaging the fan during a cold start, it helps the engine reach its required operating temperature much faster.
Can this part handle high heat loads from an A/C system?
Yes, the mechanism allows the fan to engage fully when additional heat loads like an A/C condenser or retarder are active.
What is the benefit of shock damping in this unit?
The transmission through specialized fluid softens sudden speed changes, which protects both the fan blades and the bearings from excessive wear.
What are the OE reference numbers of this part?
529.02.0057 directly replaces Mahle-Behr OE numbers 8MV376791701, CFC197000P. It also replaces MAN OE numbers 51066300135, 51066300149.