Automatic Belt Tensioners, No Slack 89457

positive OEM
Dayco
Part# 89457
note
Automatic Belt Tensioners, No Slack 89457 - Dayco
Automatic tensioner maintaining serpentine belt tension without slack.
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Description

The Dayco Automatic Belt Tensioner No Slack (DCO 89457) is a mechanical component designed to maintain consistent tension on serpentine belts in engine cooling systems. It automatically adjusts to eliminate slack, ensuring optimal belt performance and reducing wear in heavy-duty vehicle applications.

Key Specifications

  • Application: Cooling system belt tensioning
  • Function: Maintains constant serpentine belt tension
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Metal housing, steel pulley
  • Features: Automatic tensioning, counterclockwise rotation, 2.91 in pulley diameter, 1.50 in pulley width, 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). 

 

For more shipping information, please see our Shipping & Delivery page.

More Information

Current Part# 89457
Type OEM
Part# variations 89457 DYC,
89457DYC,
DCO 89457,
DCO89457
Manufacturer Dayco
Warranty Standard Manufactures