Skip to content
529.01.0070 Visco Fan Drive, Cooling System
1041 Views Updated

529.01.0070 Visco Fan Drive for Mercedes-Benz

529.01.0070

Summary

This Visco Fan Drive is designed for Mercedes-Benz heavy commercial vehicles. It functions as a critical control element within the cooling system to regulate engine temperature and optimize fuel consumption through stepless speed adjustment. Built with heavy-duty grade materials to ensure long-term reliability. Equivalent to OE Mahle-Behr 8MV376732121 and Mercedes-Benz 0002000422.

Product identifiers
EAN Code8683457015418
Ready to Order
Get Information
Share
WhatsApp Facebook X LinkedIn

Compatible OEM Codes

  • MERCEDES BENZ
    • 000 200 04 22
  • MAHLE-BEHR
    • 8MV 376 732-121

Description

What does a visco fan drive do?

A viscous fan drive serves as a vital control element within the engine cooling system, directly influencing thermal balance and fuel efficiency. By adjusting fan speed steplessly according to the cooling demand, it prevents unnecessary high-speed rotation, which reduces power draw from the engine during idle or low-load conditions. This mechanism also facilitates a faster engine warm-up by disengaging the fan during cold starts.

Compatible vehicles and engines

This component is compatible with Mercedes-Benz vehicles and is engineered to meet high standards of durability. It provides effective shock damping by utilizing silicone oil to soften sudden speed changes, which helps preserve the service life of both the fan blades and the bearings. The system is designed to support additional heat loads, such as when an A/C condenser or retarder is active.

Installation and maintenance

For professional installation and maintenance, technicians should ensure that the drive unit is correctly aligned within the cooling assembly. Checking for any signs of oil leakage or irregular noise during operation can help prevent overheating issues in heavy commercial vehicle engines. Consult your authorized distributor for further technical guidance.

Troubleshooting and selection

This part is an equivalent solution for Mercedes-Benz applications, providing reliable thermal regulation in demanding operating environments.

OE cross-reference

529.01.0070 (Visco Fan Drive Fan) is the equivalent of the Mahle-Behr and Mercedes-Benz OE numbers. This part directly replaces Mahle-Behr OE number 8MV376732121. It also replaces Mercedes-Benz OE number 0002000422.

Other OEMs

MAHLE-BEHR

  • 8MV376732121
  • 8MV 376 732-121

MERCEDES BENZ

  • A0002000422
  • 0002000422
  • 000 200 04 22

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MAHLE-BEHR
MERCEDES BENZ

FAQ

What is the primary function of a visco fan drive?
It regulates engine temperature by adjusting fan speed steplessly based on cooling needs, helping to balance thermal load and improve fuel economy.
How does this component help with fuel consumption?
By unloading the fan at idle or low loads, it reduces the mechanical power drawn from the engine, leading to better efficiency.
Can this part help prevent engine overheating?
Yes, it engages effectively when heat loads increase (such as when using A/C) to ensure efficient heat dissipation from the radiator.
Does it assist in engine warm-up?
Yes, the viscous engagement allows the fan to disengage during cold starts, allowing the engine to reach its optimal operating temperature faster.
What are the OE reference numbers of this part?
529.01.0070 directly replaces Mahle-Behr OE number 8MV376732121. It also replaces Mercedes-Benz OE number 0002000422.