902 Views Updated 27 September 2026

331.01.0004 Mercedes-Benz ATEGO 2 Compatible Fan Tensioner

331.01.0004

Summary

This heavy-duty fan belt tensioner is designed for Mercedes-Benz ATEGO 2 vehicles equipped with OM 924 LA engines. It ensures consistent belt tension to maintain optimal cooling system performance in heavy commercial vehicle applications. Equivalent to OE Dayco APV1110 and Mercedes-Benz 9062002670.

Product identifiers
EAN Code	8699031092423

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Compatible OEM Codes

MERCEDES BENZ
- 906 200 26 70
DAYCO
- APV1110

Description

This fan belt tensioner plays a critical role in the cooling system by applying constant, balanced pressure to the belt driving the fan and fan pulley. By automatically taking up the slack that develops as belts stretch due to heat and mileage, it prevents slipping and ensures the fan rotates at its designed speed to maintain engine temperature control.

This component is specifically engineered for Mercedes-Benz ATEGO 2 trucks, including models such as the 1222, 1322, 1522, and various K/L variants. It is compatible with the OM 924 LA engine series, ensuring precise fitment and reliable operation within the cooling circuit of these heavy commercial vehicles.

For workshop technicians, regular inspection of the tensioner arm and bearing is essential during cooling system maintenance. Ensuring the tensioner is properly mounted to the engine block helps prevent belt flutter and premature wear of other drive components. Always verify mounting type and pulley geometry before installation to ensure seamless integration with existing engine hardware.

Consult your authorized distributor to check the compatibility list.

OE cross-reference

331.01.0004 (Fan Belt Tensioner Fan) is the equivalent of the Dayco and Mercedes-Benz OE numbers. This part directly replaces Dayco OE number APV1110. It also replaces Mercedes-Benz OE number 9062002670.

Other OEMs

DAYCO

APV1110

MERCEDES BENZ

A9062002670
9062002670
906.200.2670
906.200.26.70
906 200 2670
906 200 26 70

Compatible Vehicles

Compatible Vehicles
Brand	Model	Model Type	Engine
DAYCO
MERCEDES BENZ	ATEGO 2	1022	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 A	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 AFE	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 AK	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 AKE	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 KO	OM 924 LA
MERCEDES BENZ	ATEGO 2	1022 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	1222	OM 924 LA
MERCEDES BENZ	ATEGO 2	1222 AF	OM 924 LA
MERCEDES BENZ	ATEGO 2	1222 F	OM 924 LA
MERCEDES BENZ	ATEGO 2	1222 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	1222 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 A	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 AE	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 AF	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 AFE	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 AK	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 F	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 LKO	OM 924 LA
MERCEDES BENZ	ATEGO 2	1322 LS	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 A	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 AF	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 AK	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 F	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	1522 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	1622	OM 924 LA
MERCEDES BENZ	ATEGO 2	1622 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	722	OM 924 LA
MERCEDES BENZ	ATEGO 2	722 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	822	OM 924 LA
MERCEDES BENZ	ATEGO 2	822 F	OM 924 LA
MERCEDES BENZ	ATEGO 2	822 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	822 L	OM 924 LA
MERCEDES BENZ	ATEGO 2	922	OM 924 LA
MERCEDES BENZ	ATEGO 2	922 AF	OM 924 LA
MERCEDES BENZ	ATEGO 2	922 K	OM 924 LA
MERCEDES BENZ	ATEGO 2	922 L	OM 924 LA

FAQ

What is the function of a fan belt tensioner?

It applies constant pressure to the fan belt to prevent slipping and automatically compensates for belt stretch, ensuring the fan turns at the correct speed.

Which vehicles is this tensioner compatible with?

This part is designed for Mercedes-Benz ATEGO 2 models, specifically those utilizing the OM 924 LA engine.

How can I know if my tensioner needs replacement?

Technicians should look for signs of excessive belt slack, unusual noise from the pulley bearing, or visible wear on the tensioner arm.

Can this be used on other Mercedes-Benz models?

Fitment depends on the specific engine code and pulley design; always verify compatibility with your specific vehicle's technical requirements.

What are the OE reference numbers of this part?

331.01.0004 directly replaces Dayco OE number APV1110. It also replaces Mercedes-Benz OE number 9062002670.