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332.01.0016 Fan Tension Roller, Cooling System
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332.01.0016 Mercedes-Benz Fan Tension Roller

332.01.0016

Summary

This fan tension roller is designed for Mercedes-Benz heavy commercial vehicle cooling systems. It ensures constant tension on the fan belt to prevent slipping and maintains optimal engine operating temperatures. Engineered for durability in demanding environments. Equivalent to OE Dayco APV2087 and Mercedes-Benz 1032000570.

Product identifiers
EAN Code8699031092775
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Compatible OEM Codes

  • MERCEDES BENZ
    • 103 200 05 70
  • DAYCO
    • APV2087

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, it prevents slipping and ensures the belt follows the pulley path correctly, which is essential for effective heat dissipation through the radiator.

Vehicle compatibility and application

This specific component is compatible with Mercedes-Benz vehicles. Proper selection depends on matching the OE reference and engine code to ensure correct pulley diameter and profile. It serves as a high-strength replacement for worn or noisy tensioner components in demanding service environments.

Installation and maintenance

For successful installation, technicians should verify the mounting dimensions, including center bolt diameter and thread pitch. It is recommended to inspect the belt and pulleys during replacement to ensure the entire fan drive line is functioning correctly and to prevent premature wear of the new roller.

Troubleshooting symptoms

Monitoring for symptoms such as humming noises, belt slip, or rising engine temperatures can help identify when a replacement is required to avoid system failure.

OE cross-reference

332.01.0016 (Fan Tension Roller Fan) is the equivalent of the Dayco and Mercedes-Benz OE numbers. This part directly replaces Dayco OE number APV2087. It also replaces Mercedes-Benz OE number 1032000570.

Other OEMs

DAYCO

  • APV2087

MERCEDES BENZ

  • A1032000570
  • 1032000570
  • 103.200.0570
  • 103.200.05.70
  • 103 200 0570
  • 103 200 05 70

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAYCO
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 the fan drives at the correct speed.
Which vehicles are compatible with this part?
This component is designed for Mercedes-Benz heavy commercial vehicles. Always verify against your engine code for exact fitment.
What are the signs of a failing tension roller?
Common symptoms include audible humming or squealing noises, visible belt slip, and rising engine operating temperatures due to insufficient cooling.
How should I select the correct replacement?
Selection should be based on the OE reference number, pulley diameter, profile type (ribbed or flat), and mounting dimensions to ensure proper fitment.
What are the OE reference numbers of this part?
332.01.0016 directly replaces Dayco OE number APV2087. It also replaces Mercedes-Benz OE number 1032000570.