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332.04.0004 Fan Tension Roller, Cooling System
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332.04.0004 Fan Tension Roller for Scania

332.04.0004

Summary

This fan tension roller is designed for Scania heavy commercial vehicles to maintain constant belt tension within the cooling system. Manufactured with heavy-duty grade materials to withstand engine bay heat and vibration, it ensures the fan belt runs smoothly without slipping. Check the compatibility list. Equivalent to OE Dayco APV1121 and Scania 1510697.

Product identifiers
EAN Code8699031093222
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Compatible OEM Codes

  • SCANIA
    • 1858885
    • 1795775
    • 1512749
    • 1510697
  • DAYCO
    • APV1121

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 between the crankshaft and fan pulleys, it prevents belt slip, dampens vibrations, and compensates for belt elongation over time. This ensures the cooling fan operates at the correct speed to manage engine temperatures effectively.

Vehicle and engine compatibility

This specific component is compatible with Scania trucks and engines. It is essential for maintaining the integrity of the drive line in heavy-duty applications. When selecting a replacement, it is vital to match the pulley profile and mounting dimensions to the original equipment to ensure proper alignment and prevent premature wear.

Installation and maintenance

For professional technicians, we recommend verifying the pulley diameter, width, and mounting type against the removed part. Proper installation requires following the manufacturer's specified torque values to ensure the roller remains secure under high-temperature operating conditions. Regular inspection of the roller and belt is advised to prevent symptoms like humming noises or rising engine temperatures.

Troubleshooting and selection

Consult your authorized distributor.

OE cross-reference

332.04.0004 (Fan Tension Roller Fan) is the equivalent of the Dayco and Scania OE numbers. This part directly replaces Dayco OE number APV1121. It also replaces Scania OE numbers 1510697, 1512749, 1795775, 1858885.

Other OEMs

DAYCO

  • APV1121

SCANIA

  • 1858885
  • 1795775
  • 1512749
  • 1510697

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
DAYCO
SCANIA

FAQ

What is the function of a fan tension roller?
It maintains constant tension on the fan belt in heavy commercial vehicle cooling systems, preventing belt slip and dampening engine vibrations.
Which vehicles are compatible with this part?
This component is designed for Scania heavy commercial vehicles. Always verify against your specific engine code.
How can I identify if a roller needs replacement?
Symptoms such as humming noises, visible belt slip, or rising engine temperatures often indicate a worn tensioner roller.
How should I select the correct replacement?
Selection should be based on comparing pulley diameter, width, profile type, and mounting dimensions with the original part.
What are the OE reference numbers of this part?
332.04.0004 directly replaces Dayco OE number APV1121. It also replaces Scania OE numbers 1510697, 1512749, 1795775, 1858885.