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529.02.0038 Visco Fan Drive for MAN

529.02.0038

Summary

This Visco Fan Drive for MAN engines features a ø203 mm diameter. It is designed to regulate engine temperature efficiently by adjusting fan speed based on thermal requirements, ensuring long-term durability in heavy commercial vehicle cooling systems. Equivalent to OE Mahle-Behr 8MV376731281 and MAN 51066300062.

Product identifiers
EAN Code8683457015951
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Compatible OEM Codes

  • MAN
    • 51.06630-0070
    • 51.06630-0066
    • 51.06630-0062
  • MAHLE-BEHR
    • 8MV 376 731-281

Description

What does a Visco Fan Drive do?

This viscous coupling acts as a critical control element within the cooling system, directly influencing the engine's thermal balance and overall fuel efficiency. By adjusting fan speed steplessly according to cooling needs, it prevents unnecessary high-speed operation and reduces the power draw from the engine during low-load conditions.

Vehicle and engine compatibility

This component is compatible with MAN vehicles. It serves as a reliable replacement for original equipment to maintain optimal operating temperatures and protect the fan blades from sudden speed fluctuations through effective shock damping.

Installation and maintenance

Technicians should ensure the ø203 mm diameter matches the existing assembly during installation. Regular inspection of the viscous coupling is recommended to prevent overheating or excessive engine load caused by a seized unit.

Operational benefits

A properly functioning visco fan drive helps the engine reach operating temperature quickly during cold starts and supports additional heat loads when auxiliary systems are active.

OE cross-reference

529.02.0038 (Visco Fan Drive Fan) is the equivalent of the Mahle-Behr and MAN OE numbers. This part directly replaces Mahle-Behr OE number 8MV376731281. It also replaces MAN OE numbers 51066300062, 51066300066, 51066300070.

Technical Specifications

Technical Specifications
Diameterø203 mm

Other OEMs

MAHLE-BEHR

  • 8MV376731281
  • 8MV 376 731-281

MAN

  • 51066300070
  • 51066300066
  • 51066300062
  • 51.06630-0070
  • 51.06630-0066
  • 51.06630-0062

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAHLE-BEHR
MAN

FAQ

What is the function of a Visco Fan Drive?
It regulates fan speed based on thermal demand, which helps maintain engine temperature, improves fuel economy, and reduces engine load.
Which vehicles are compatible with this part?
This specific visco fan drive is designed for use in MAN heavy commercial vehicles.
How does the diameter affect fitment?
The ø203 mm diameter must match the existing fan assembly to ensure proper engagement and balance within the cooling system.
What are the symptoms of a failing visco fan?
Common signs include engine overheating or a constant loud roar from the fan due to the coupling failing to disengage properly.
What are the OE reference numbers of this part?
529.02.0038 directly replaces Mahle-Behr OE number 8MV376731281. It also replaces MAN OE numbers 51066300062, 51066300066, 51066300070.