331.01.0021 Belt Tensioner, Fan
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331.01.0021 DAYCO Equivalent Belt Tensioner, Fan

331.01.0021

Summary

The VADEN ORIGINAL 331.01.0021 is a high-performance belt tensioner designed for cooling system applications. This essential component is engineered to be compatible with MERCEDES BENZ (904 200 00 70) and DAYCO (APV1100) systems, ensuring optimal belt tension and stability in heavy commercial vehicle cooling systems.

EAN Code8699031092676
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Compatible OEM Codes

  • MERCEDES BENZ 904 200 00 70
  • DAYCO APV1100

Description

The heavy duty 331.01.0021 belt tensioner provides critical tensioning for fan-driven belts within the cooling system of heavy commercial vehicles. Designed to maintain precise belt alignment, this component ensures the stability of the drive system under rigorous operating conditions, preventing slippage and maintaining optimal engine temperatures.

This part is the OE-equivalent of the DAYCO APV1100 belt tensioner used in MERCEDES BENZ vehicle systems. It is specifically engineered to meet the high standards required for heavy-duty engine environments, ensuring reliable performance and long-term durability for the vehicle's cooling infrastructure.

Workshop technicians should verify the belt routing and tension settings during installation to ensure seamless integration with existing cooling components. Regular inspection of the belt tensioner is recommended during standard maintenance intervals to prevent unexpected downtime caused by belt slippage or mechanical fatigue in heavy commercial vehicle fleets.

Other OEMs

DAYCO

  • APV1100

MERCEDES BENZ

  • A9042000070
  • 9042000070
  • 904.200.0070
  • 904.200.00.70
  • 904 200 0070
  • 904 200 00 70

Vehicles Used

BrandModelEngine
DAYCO
MERCEDES BENZ

FAQ

What vehicles is the 331.01.0021 compatible with?
This part is compatible with MERCEDES BENZ and DAYCO systems, specifically matching OEM code 904 200 00 70 and APV1100.
Is this belt tensioner suitable for heavy commercial vehicles?
Yes, it is designed specifically for the cooling systems of heavy commercial vehicles to ensure durability and reliable tensioning.
Does this part replace the DAYCO APV1100?
Yes, the 331.01.0021 serves as a high-quality equivalent for the DAYCO APV1100 part number.
What is the primary function of this component?
It functions as a belt tensioner within the fan/cooling system to maintain proper tension on the drive belts.
Which OEM codes are covered by this product?
This product is compatible with MERCEDES BENZ 904 200 00 70 and DAYCO APV1100.