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332.01.0011 Fan Tension Roller, Cooling System
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332.01.0011 Mercedes-Benz Compatible Fan Tensioner

332.01.0011

Summary

High-strength fan tension roller designed for Mercedes-Benz cooling systems. This component maintains precise belt tension to ensure optimal engine temperature regulation and prevent belt slip in heavy commercial vehicle applications. Equivalent to OE Mercedes-Benz 4572001970S.

Product identifiers
EAN Code8699031092591
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Compatible OEM Codes

  • MERCEDES BENZ
    • 460 200 09 70S
    • 457 200 19 70S

Description

What does a fan tension roller do?

A fan tension roller is a critical drive component that maintains constant tension on the fan belt within a heavy commercial vehicle's cooling system. By sitting in the belt run between the crankshaft and fan pulleys, it ensures the belt remains seated without slipping, which is vital for effective heat dissipation through the radiator.

Compatibility and application

This specific component is designed for use in Mercedes-Benz vehicles. It functions as a key part of the engine's cooling assembly, helping to dampen vibrations and preserve the correct wrap angle for the belt. Proper tensioning is essential to prevent chain reactions like belt squeal or rising engine temperatures.

Installation and maintenance

When replacing this component, technicians should verify the pulley diameter and profile type to match the existing belt. It is recommended to inspect the mounting dimensions and bearing condition during installation to ensure the original system architecture is preserved and that the belt remains aligned under heavy loads.

Troubleshooting and selection

Monitoring for signs of wear, such as unusual humming noises or belt slippage, can prevent more significant engine overheating issues. Always consult your authorized distributor for precise fitment confirmation based on your specific engine code.

OE cross-reference

332.01.0011 (Fan Tension Roller Fan) is the equivalent of the Mercedes-Benz OE numbers. This part directly replaces Mercedes-Benz OE numbers 4572001970S, 4602000970S.

Other OEMs

MERCEDES BENZ

  • A4602000970
  • A4572001970
  • A04602000970S
  • A04572001970S
  • 4602000970
  • 460.200.0970
  • 460.200.09.70S
  • 460.200.09.70
  • 460 200 0970
  • 4572001970
  • 457.200.1970
  • 457.200.19.70S
  • 457.200.19.70
  • 457 200 1970
  • 460 200 09 70S
  • 457 200 19 70S

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the function of a fan tension roller?
It maintains constant tension on the fan belt in a heavy commercial vehicle's cooling system, preventing belt slip and ensuring proper radiator airflow.
Which vehicles is this part compatible with?
This component is designed for Mercedes-Benz vehicles within the heavy commercial vehicle segment.
How can I identify if a fan tension roller needs replacement?
Common symptoms of a worn roller include audible humming or squealing noises from the front of the engine and rising engine operating temperatures.
What should I check when selecting a replacement roller?
It is vital to verify the pulley diameter, profile type, and mounting dimensions to ensure it matches the original equipment specifications.
What are the OE reference numbers of this part?
332.01.0011 directly replaces Mercedes-Benz OE numbers 4572001970S, 4602000970S.