Tensioner - Belt, Automatic, No Slack 89474

positive OEM
Part# 89474
Automatic tensioner maintaining serpentine belt tension without slack.
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Description

The Dayco Automatic No Slack Belt Tensioner (DCO 89474) is a mechanical component designed to maintain consistent tension on serpentine belts in engine cooling systems. It automatically adjusts to eliminate slack, ensuring proper belt alignment and efficient power transmission in heavy-duty vehicle applications.

Key Specifications

  • Application: Cooling system fan belt tensioning
  • Function: Maintains belt tension automatically
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Metal housing, steel pulley
  • Features: Serpentine belt type, single pulley, counterclockwise rotation, non-grooved pulley
  • Quality: Aftermarket Dayco part

Shipping Info

Next Day Air services are available for In Stock items. Our shipping cutoff time is Monday - Friday 4:30pm Eastern Standard Time (EST). 

 

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More Information

Current Part# 89474
Type OEM
Part# variations 89474 DYC,
89474DYC,
DCO 89474,
DCO89474
Manufacturer Dayco
Warranty Standard Manufactures