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529.01.0061 Visco Fan Drive, Cooling System
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529.01.0061 Mercedes-Benz Compatible Visco Fan

529.01.0061

Summary

This high-strength Visco Fan Drive is designed for Mercedes-Benz heavy commercial vehicles. It acts as a critical control element for the engine's thermal balance, helping to manage cooling needs efficiently while optimizing fuel consumption and protecting engine components. Equivalent to OE Mahle-Behr 8MV376731111 and Mercedes-Benz 6172000322.

Product identifiers
EAN Code8683457015326
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Compatible OEM Codes

  • MERCEDES BENZ
    • 617 200 04 22
    • 617 200 03 22
  • MAHLE-BEHR
    • 8MV 376 731-111

Description

What does a visco fan drive do?

The visco fan drive functions as a sophisticated control element within the engine cooling system, directly influencing thermal balance and fuel economy. By adjusting fan speed steplessly based on cooling requirements, it prevents unnecessary high-speed rotation, which reduces the power load drawn from the engine. This mechanism also facilitates faster engine warm-up during cold starts and provides essential shock damping to protect the fan blades and bearings.

Vehicle compatibility and application

This component is specifically engineered to be compatible with Mercedes-Benz vehicles. It ensures reliable operation under heavy-duty conditions, maintaining consistent cooling even when auxiliary loads like air conditioning or retarders are active. The design focuses on durability and precise engagement to support long-term engine health.

Installation and maintenance guidance

For optimal performance, technicians should inspect the viscous coupling for leaks or irregular engagement during routine maintenance. Ensuring correct installation is vital to prevent vibrations and ensure the fan operates within its intended speed range. Check the compatibility list for specific fitment details.

Engine thermal management

Maintaining a stable thermal environment is critical for heavy commercial vehicle longevity. This part helps mitigate continuous high-speed noise while ensuring maximum heat dissipation when required by the engine load.

OE cross-reference

529.01.0061 (Visco Fan Drive Fan) is the equivalent of the Mahle-Behr and Mercedes-Benz OE numbers. This part directly replaces Mahle-Behr OE number 8MV376731111. It also replaces Mercedes-Benz OE numbers 6172000322, 6172000422.

Other OEMs

MAHLE-BEHR

  • 8MV376731111
  • 8MV 376 731-111

MERCEDES BENZ

  • A6172000422
  • A6172000322
  • 6172000422
  • 6172000322
  • 617 200 04 22
  • 617 200 03 22

Related Products

Used In

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAHLE-BEHR
MERCEDES BENZ

FAQ

What is the main function of a visco fan drive?
It regulates fan speed steplessly according to the cooling need, helping to maintain engine thermal balance and improve fuel efficiency.
How does this component help with fuel consumption?
By unloading at idle or low load, it reduces the power drawn from the engine, which directly contributes to better fuel economy.
Can this part help prevent engine overheating?
Yes, it engages more aggressively when heat loads increase, such as when using an A/C condenser or retarder, to ensure efficient cooling.
What are the benefits of the shock damping feature?
The viscous coupling softens sudden speed changes through silicone oil, which helps preserve the life of both the fan blades and the bearings.
What are the OE reference numbers of this part?
529.01.0061 directly replaces Mahle-Behr OE number 8MV376731111. It also replaces Mercedes-Benz OE numbers 6172000322, 6172000422.