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332.01.0006 Fan Tension Roller, Cooling System
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332.01.0006 Fan Tension Roller — Mercedes-Benz Equivalent

332.01.0006

Summary

This heavy-duty fan tension roller is designed for Mercedes-Benz cooling systems, ensuring precise belt tension and preventing slip. It is a critical component for maintaining engine temperature stability in heavy commercial vehicles. Equivalent to OE Mercedes-Benz 4572002270S.

Product identifiers
EAN Code8699031092584
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Compatible OEM Codes

  • MERCEDES BENZ
    • 457 200 40 70S
    • 457 200 22 70S

Description

What does a fan tension roller do?

A fan tension roller is a drive component that keeps constant tension on the fan belt in a heavy commercial vehicle's cooling system and keeps the belt running on the pulleys without slipping.

Vehicle compatibility and fitment

This component is specifically compatible with Mercedes-Benz applications. It sits at the front of the engine between the crankshaft pulley and the fan pulley, where it compensates for belt elongation, dampens vibration, and preserves the wrap angle to ensure efficient heat dissipation.

Installation and maintenance

For proper installation, technicians should verify the pulley profile and mounting dimensions against the existing part. Maintaining correct tension is vital to prevent belt slip, humming noises, or rising engine temperatures during heavy-duty operations.

Troubleshooting symptoms

Consult your authorized distributor.

OE cross-reference

332.01.0006 (Fan Tension Roller Fan) is the equivalent of the Mercedes-Benz OE numbers. This part directly replaces Mercedes-Benz OE numbers 4572002270S, 4572004070S.

Other OEMs

MERCEDES BENZ

  • A4572004070
  • A4572002270
  • A04572004070S
  • A04572002270S
  • 4572004070
  • 4572002270
  • 457.200.4070
  • 457.200.40.70S
  • 457.200.40.70
  • 457.200.2270
  • 457.200.22.70S
  • 457.200.22.70
  • 457 200 4070
  • 457 200 2270
  • 457 200 40 70S
  • 457 200 22 70S

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
MERCEDES BENZ

FAQ

What is the role of a fan tension roller?
It maintains constant tension on the fan belt within the cooling system, preventing slippage and ensuring the fan rotates at the correct speed to manage engine temperature.
Which vehicles are compatible with this part?
This specific component is designed for compatibility with Mercedes-Benz heavy commercial vehicle applications.
What are common symptoms of a failing tension roller?
Technicians may notice belt slip, unusual humming noises, or rising engine temperatures caused by improper belt tension or bearing wear.
How should I select the correct replacement?
Selection should be based on verifying the pulley diameter, profile type, and mounting dimensions to ensure it matches the original system architecture.
What are the OE reference numbers of this part?
332.01.0006 directly replaces Mercedes-Benz OE numbers 4572002270S, 4572004070S.