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331.05.0004 Fan Belt Tensioner, Cooling System
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331.05.0004 Fan Belt Tensioner for Iveco Trucks

331.05.0004

Summary

This fan belt tensioner is engineered for Iveco heavy commercial vehicles. It maintains precise tension on the fan belt to ensure reliable cooling system performance and prevent belt slippage in demanding engine environments. Equivalent to OE Dayco APV1075 and Iveco 504000410.

Product identifiers
EAN Code8699031093499
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Compatible OEM Codes

  • IVECO
    • 504086751
    • 504000410
  • DAYCO
    • APV1075

Description

What does a fan belt tensioner do?

This fan belt tensioner is a critical mechanical component within the cooling system of heavy commercial vehicles. It is designed to maintain the driving belt at the correct tension, ensuring the fan rotates at its required speed to regulate engine temperatures effectively.

Compatibility and application

This unit is specifically compatible with Iveco trucks and is built to withstand the high heat and constant vibrations found in heavy-duty engine bays. It helps prevent belt wear and slippage, which is essential for maintaining thermal stability during intensive operations.

Installation and maintenance

For optimal performance, technicians should inspect the tensioner arm and pulley regularly for signs of excessive play or uneven wear. Proper installation according to manufacturer torque specifications ensures the spring-loaded mechanism maintains balanced pressure on the belt profile.

Selection guidance

Consult your authorized distributor to confirm exact fitment for your specific engine model.

OE cross-reference

331.05.0004 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Iveco OE numbers. This part directly replaces Dayco OE number APV1075. It also replaces Iveco OE numbers 504000410, 504086751.

Other OEMs

DAYCO

  • APV1075

IVECO

  • 504086751
  • 504000410

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAYCO
IVECO

FAQ

What is the function of a fan belt tensioner?
It maintains constant pressure on the fan belt to prevent slipping and ensure the cooling fan rotates at the correct speed for engine temperature regulation.
Which vehicles is this part compatible with?
This specific component is designed to be compatible with Iveco heavy commercial vehicles.
How can I tell if a tensioner needs replacement?
Technicians should look for signs of belt slipping, unusual noise from the pulley, or visible instability in the belt's movement while the engine is running.
What materials are used in high-quality tensioners?
They are constructed from heavy-duty grade materials including heat-treated springs and reinforced bearings designed to resist high engine bay temperatures.
What are the OE reference numbers of this part?
331.05.0004 directly replaces Dayco OE number APV1075. It also replaces Iveco OE numbers 504000410, 504086751.