692 Views Updated 9 November 2026

APV2542 Dayco Equivalent Fan Belt Tensioner

331.05.0006

Summary

This fan belt tensioner is a critical component for the cooling system in heavy commercial vehicles. Designed to maintain correct belt tension, it ensures the fan rotates at the required speed to prevent overheating. Compatible with Dayco systems. Equivalent to OE Dayco APV2542.

Product identifiers
EAN Code	8699031093536

Ready to Order

Get Information

Compatible OEM Codes

IVECO
- 500350419
DAYCO
- APV2542

Description

What does a fan belt tensioner do?

A fan belt tensioner is a vital mechanical component within the cooling system of heavy commercial vehicles that maintains the correct tension on the belt driving the fan and pulley. By applying constant, balanced pressure, this unit allows the belt to transmit torque without slipping, even as it stretches due to heat and mileage over time.

Compatibility and vehicle application

This part is designed for use in heavy commercial vehicle engines, including those found in trucks, tractor units, buses, and construction machinery. It functions as a spring-loaded unit that automatically takes up slack, ensuring that engine cooling remains uninterrupted during high-load operations.

Installation and maintenance

For proper installation, technicians should verify the mounting geometry and pulley profile against existing engine components. Maintaining a stable operating temperature within the engine bay is essential for the longevity of the bearing-mounted pulley and the tensioner arm. Consult your authorized distributor for installation guidance.

Troubleshooting guidance

Regular inspection of the tensioner can prevent belt slippage or premature wear of other cooling system components. If unusual noise or vibration is detected in the engine bay, check this component for proper spring preload and smooth pulley rotation.

OE cross-reference

331.05.0006 (Fan Belt Tensioner Fan) is the equivalent of the Dayco OE number. This part directly replaces Dayco OE number APV2542.

Other OEMs

DAYCO

APV2542

IVECO

500350419

Compatible Vehicles

Compatible Vehicles
Brand	Model	Model Type	Engine
DAYCO
IVECO	EUROSTAR	LD 190 E 39 FP	Cursor 10-390
IVECO	EUROSTAR	LD 190 E 39 P	Cursor 10-390
IVECO	EUROSTAR	LD 190 E 43	Cursor 10-430
IVECO	EUROSTAR	LD 190 E 43	F3AE0681D
IVECO	EUROSTAR	LD 190 E 43 FP	Cursor 10-430
IVECO	EUROSTAR	LD 190 E 43 FP	F3AE0681D
IVECO	EUROSTAR	LD 190 E 43 P	Cursor 10-430
IVECO	EUROSTAR	LD 190 E 43 P	F3AE0681D
IVECO	EUROSTAR	LD 260 E 39 FP	Cursor 10-390
IVECO	EUROSTAR	LD 260 E 39 FP	F3AE0681E
IVECO	EUROSTAR	LD 260 E 39 P	Cursor 10-390
IVECO	EUROSTAR	LD 260 E 39 P	F3AE0681E
IVECO	EUROSTAR	LD 260 E 43 FP	Cursor 10-430
IVECO	EUROSTAR	LD 260 E 43 FP	F3AE0681D
IVECO	EUROSTAR	LD 260 E 43 Y/PS	Cursor 10-430
IVECO	EUROSTAR	LD 260 E 43 Y/PS	F3AE0681D
IVECO	EUROSTAR	LD 260 E 48 Y/PS	Cursor 13-480
IVECO	EUROSTAR	LD 440 E 39 T	Cursor 10-390
IVECO	EUROSTAR	LD 440 E 39 T/P	Cursor 10-390
IVECO	EUROSTAR	LD 440 E 39 TX	Cursor 10-390
IVECO	EUROSTAR	LD 440 E 39 TX/P	Cursor 10-390
IVECO	EUROSTAR	LD 440 E 43 T/P	Cursor 10-430
IVECO	EUROSTAR	LD 440 E 43 T/P	F3AE0681D
IVECO	EUROSTAR	LD 440 E 43 TX/P	Cursor 10-430
IVECO	EUROSTAR	LD 440 E 48 T/P	Cursor 13-480
IVECO	EUROTECH MP	190 E 39	Cursor 10-390
IVECO	EUROTECH MP	190 E 39	F3AE0681E
IVECO	EUROTECH MP	190 E 39 /P	Cursor 10-390
IVECO	EUROTECH MP	190 E 39 /P	F3AE0681E
IVECO	EUROTECH MP	190 E 43	Cursor 10-430
IVECO	EUROTECH MP	190 E 43	F3AE0681D
IVECO	EUROTECH MP	190 E 43 /P	Cursor 10-430
IVECO	EUROTECH MP	190 E 43 /P	F3AE0681D
IVECO	EUROTECH MP	190 E39 /FP	Cursor 10-390
IVECO	EUROTECH MP	190 E39 /FP	F3AE0681E
IVECO	EUROTECH MP	260 E 39 Y	Cursor 10-390
IVECO	EUROTECH MP	260 E 39 Y	F3AE0681E
IVECO	EUROTECH MP	260 E 39 Y/FP	Cursor 10-390
IVECO	EUROTECH MP	260 E 39 Y/FP	F3AE0681E
IVECO	EUROTECH MP	260 E 39 Y/FS	Cursor 10-390
IVECO	EUROTECH MP	260 E 39 Y/FS	F3AE0681E
IVECO	EUROTECH MP	260 E 39 Y/P	Cursor 10-390
IVECO	EUROTECH MP	260 E 39 Y/P	F3AE0681E
IVECO	EUROTECH MP	260 E 43 Y	Cursor 10-430
IVECO	EUROTECH MP	260 E 43 Y	F3AE0681D
IVECO	EUROTECH MP	260 E 43 Y/P	Cursor 10-430
IVECO	EUROTECH MP	260 E 43 Y/P	F3AE0681D
IVECO	EUROTECH MP	440 E 39 T	Cursor 10-390
IVECO	EUROTECH MP	440 E 39 T	F3AE0681E
IVECO	EUROTECH MP	440 E 39 T/FP-CT	Cursor 10-390
IVECO	EUROTECH MP	440 E 39 T/FP-CT	F3AE0681E
IVECO	EUROTECH MP	440 E 39 T/P	Cursor 10-390
IVECO	EUROTECH MP	440 E 39 T/P	F3AE0681E
IVECO	EUROTECH MP	440 E 39 TX/P	Cursor 10-390
IVECO	EUROTECH MP	440 E 43 T	Cursor 10-430
IVECO	EUROTECH MP	440 E 43 T	F3AE0681D
IVECO	EUROTECH MP	440 E 43 T/P	Cursor 10-430
IVECO	EUROTECH MP	440 E 43 T/P	F3AE0681D
IVECO	EUROTECH MP	440 E 43 TX/P	Cursor 10-430
IVECO	EUROTRAKKER	MP 190 E 38 W Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 190 E 44 W Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 260 E 38 H Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 260 E 38 W Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 260 E 44 H Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 260 E 44 W Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 340 E 38 H Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 340 E 38 HB Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 340 E 44 H Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 340 E 44 HB Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 380 E 38 H Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 380 E 38 HB Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 380 E 38 W Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 380 E 44 H Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 380 E 44 H Cursor	F3BE0681C
IVECO	EUROTRAKKER	MP 380 E 44 HB Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 380 E 44 W Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 380 E 44 W Cursor	F3BE0681C
IVECO	EUROTRAKKER	MP 410 E 38 H Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 410 E 38 HB Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 410 E 44 H Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 410 E 44 HB Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 440 E 38 HT Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 440 E 44 HT Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 720 E 38 HT Cursor	Cursor 13-380
IVECO	EUROTRAKKER	MP 720 E 44 HT Cursor	Cursor 13-440
IVECO	EUROTRAKKER	MP 720 E 48 HT Cursor	Cursor 13-480
IVECO	STRALIS I	AD 190S40	Cursor 10-400
IVECO	STRALIS I	AD 190S40	F3AE0681B
IVECO	STRALIS I	AD 190S40	F3AE0681H
IVECO	STRALIS I	AD 190S43	Cursor 10-430
IVECO	STRALIS I	AD 190S43	F3AE0681D
IVECO	STRALIS I	AD 260S40	Cursor 10-400
IVECO	STRALIS I	AD 260S40	F3AE0681B
IVECO	STRALIS I	AD 260S40	F3AE0681H
IVECO	STRALIS I	AD 260S43	Cursor 10-430
IVECO	STRALIS I	AD 260S43	F3AE0681D
IVECO	STRALIS I	AD 440S40	Cursor 10-400
IVECO	STRALIS I	AD 440S40	F3AE0681B
IVECO	STRALIS I	AD 440S40	F3AE0681H
IVECO	STRALIS I	AD 440S43	Cursor 10-430
IVECO	STRALIS I	AD 440S43	F3AE0681D
IVECO	STRALIS I	AS 190S40	Cursor 10-400
IVECO	STRALIS I	AS 190S40	F3AE0681B
IVECO	STRALIS I	AS 190S40	F3AE0681H
IVECO	STRALIS I	AS 190S43	Cursor 10-430
IVECO	STRALIS I	AS 190S43	F3AE0681D
IVECO	STRALIS I	AS 190S48	Cursor 13-480
IVECO	STRALIS I	AS 190S48	F3BE0681E
IVECO	STRALIS I	AS 260S40	Cursor 10-400
IVECO	STRALIS I	AS 260S40	F3AE0681B
IVECO	STRALIS I	AS 260S40	F3AE0681H
IVECO	STRALIS I	AS 260S43	Cursor 10-430
IVECO	STRALIS I	AS 260S43	F3AE0681D
IVECO	STRALIS I	AS 260S48	Cursor 13-480
IVECO	STRALIS I	AS 260S48	F3BE0681E
IVECO	STRALIS I	AS 260S54	Cursor 13-540
IVECO	STRALIS I	AS 260S54	F3BE0681A
IVECO	STRALIS I	AS 440S40
IVECO	STRALIS I	AS 440S40	Cursor 10-400
IVECO	STRALIS I	AS 440S40	F3AE0681B
IVECO	STRALIS I	AS 440S40	F3AE0681H
IVECO	STRALIS I	AS 440S43	Cursor 10-430
IVECO	STRALIS I	AS 440S43	F3AE0681D
IVECO	STRALIS I	AS 440S48	Cursor 13-480
IVECO	STRALIS I	AS 440S48	F3BE0681E
IVECO	STRALIS I	AS 440S54	Cursor 13-540
IVECO	STRALIS I	AS 440S54	F3BE0681A
IVECO	STRALIS I	AT 190S40	Cursor 10-400
IVECO	STRALIS I	AT 190S40	F3AE0681B
IVECO	STRALIS I	AT 190S40	F3AE0681H
IVECO	STRALIS I	AT 190S43	Cursor 10-430
IVECO	STRALIS I	AT 190S43	F3AE0681D
IVECO	STRALIS I	AT 260S40	Cursor 10-400
IVECO	STRALIS I	AT 260S40	F3AE0681B
IVECO	STRALIS I	AT 260S40	F3AE0681H
IVECO	STRALIS I	AT 260S43	Cursor 10-430
IVECO	STRALIS I	AT 260S43	F3AE0681D
IVECO	STRALIS I	AT 440S40	Cursor 10-400
IVECO	STRALIS I	AT 440S40	F3AE0681B
IVECO	STRALIS I	AT 440S40	F3AE0681H
IVECO	STRALIS I	AT 440S43	Cursor 10-430
IVECO	STRALIS I	AT 440S43	F3AE0681D
IVECO	TRAKKER I	AD 190T38	Cursor 13-380
IVECO	TRAKKER I	AD 190T38	F3BE0681G
IVECO	TRAKKER I	AD 190T38 W	Cursor 13-380
IVECO	TRAKKER I	AD 190T38 W	F3BE0681G
IVECO	TRAKKER I	AD 260T38	Cursor 13-380
IVECO	TRAKKER I	AD 260T38 /P	Cursor 13-380
IVECO	TRAKKER I	AD 260T38 B	Cursor 13-380
IVECO	TRAKKER I	AD 260T38 B	F3BE0681G
IVECO	TRAKKER I	AD 260T38 W	Cursor 13-380
IVECO	TRAKKER I	AD 260T48	Cursor 13-480
IVECO	TRAKKER I	AD 260T48	F3BE0681E
IVECO	TRAKKER I	AD 340T38 B	Cursor 13-380
IVECO	TRAKKER I	AD 380T38	Cursor 13-380
IVECO	TRAKKER I	AD 380T38 B	Cursor 13-380
IVECO	TRAKKER I	AD 380T38 W	Cursor 13-380
IVECO	TRAKKER I	AD 380T48	Cursor 13-480
IVECO	TRAKKER I	AD 400T38 T	Cursor 13-380
IVECO	TRAKKER I	AD 400T38 WT	Cursor 13-380
IVECO	TRAKKER I	AD 400T38 WT	F3BE0681G
IVECO	TRAKKER I	AD 410T38	Cursor 13-380
IVECO	TRAKKER I	AD 410T38 B	Cursor 13-380
IVECO	TRAKKER I	AD 410T48	Cursor 13-480
IVECO	TRAKKER I	AD 410T48	F3BE0681E
IVECO	TRAKKER I	AD 410T48 B	Cursor 13-480
IVECO	TRAKKER I	AD 410T48 B	F3BE0681E
IVECO	TRAKKER I	AD 720T38 T	Cursor 13-380
IVECO	TRAKKER I	AD 720T38 T	F3BE0681G
IVECO	TRAKKER I	AD 720T38 WT	Cursor 13-380
IVECO	TRAKKER I	AD 720T48 T	Cursor 13-480
IVECO	TRAKKER I	AD260T38	Cursor 13-380
IVECO	TRAKKER I	AD260T48	Cursor 13-480
IVECO	TRAKKER I	AD260T48P	Cursor 13-480
IVECO	TRAKKER I	AD340T38	Cursor 13-380
IVECO	TRAKKER I	AD340T38P	Cursor 13-380
IVECO	TRAKKER I	AD380T38W	Cursor 13-380
IVECO	TRAKKER I	AD380T48	Cursor 13-480
IVECO	TRAKKER I	AD440T38P	Cursor 13-380
IVECO	TRAKKER I	AT 190T38	Cursor 13-380
IVECO	TRAKKER I	AT 190T38	F3BE0681G
IVECO	TRAKKER I	AT 190T38 W	Cursor 13-380
IVECO	TRAKKER I	AT 190T38 W	F3BE0681G
IVECO	TRAKKER I	AT 260T38	Cursor 13-380
IVECO	TRAKKER I	AT 260T38 W	Cursor 13-380
IVECO	TRAKKER I	AT 260T48	Cursor 13-480
IVECO	TRAKKER I	AT 260T48	F3BE0681E
IVECO	TRAKKER I	AT 34T38 B	Cursor 13-380
IVECO	TRAKKER I	AT 380T38	Cursor 13-380
IVECO	TRAKKER I	AT 380T38 W	Cursor 13-380
IVECO	TRAKKER I	AT 400T38 T	Cursor 13-380
IVECO	TRAKKER I	AT 400T38 WT	Cursor 13-380
IVECO	TRAKKER I	AT 400T38 WT	F3BE0681G
IVECO	TRAKKER I	AT 410T38 B	Cursor 13-380
IVECO	TRAKKER I	AT 410T48	Cursor 13-480
IVECO	TRAKKER I	AT 410T48	F3BE0681E
IVECO	TRAKKER I	AT 410T48 B	Cursor 13-480
IVECO	TRAKKER I	AT 410T48 B	F3BE0681E
IVECO	TRAKKER I	AT 720T38 T	Cursor 13-380
IVECO	TRAKKER I	AT 720T38 T	F3BE0681G
IVECO	TRAKKER I	AT 720T38 WT	Cursor 13-380
IVECO	TRAKKER I	AT 720T48 T	Cursor 13-480
IVECO	TRAKKER I	AT260T38	Cursor 13-380
IVECO	TRAKKER I	AT260T38P	Cursor 13-380
IVECO	TRAKKER I	AT260T38W	Cursor 13-380
IVECO	TRAKKER I	AT260T48	Cursor 13-480
IVECO	TRAKKER I	AT380T38	Cursor 13-380
IVECO	TRAKKER I	AT380T48	Cursor 13-480
IVECO	TRAKKER I	AT400T38	Cursor 13-380
IVECO	TRAKKER I	AT410T38	Cursor 13-380
IVECO	TRAKKER I	AT440T38	Cursor 13-380
IVECO	TRAKKER I	AT720T48	Cursor 13-480

FAQ

What is the main function of a fan belt tensioner?

It applies constant pressure to the fan belt to prevent slipping and automatically compensates for belt stretch caused by heat and mileage.

Which vehicle classes use this component?

It is used in heavy commercial vehicles including trucks, buses, tractor units, and construction machinery to maintain cooling efficiency.

What are common signs of a failing tensioner?

Technicians should look for increased belt squeal, visible vibration in the belt, or irregular engine temperature fluctuations.

How do I ensure correct fitment for my engine?

Verify that the pulley diameter and mounting hole geometry match your current system's specifications before installation.

What are the OE reference numbers of this part?

331.05.0006 directly replaces Dayco OE number APV2542.