Auto Belt Tensioners - No Slack 89477

positive OEM
Dayco
Part# 89477
note
Auto Belt Tensioners - No Slack 89477 - Dayco
Automatic serpentine belt tensioner for engine cooling systems.
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Description

The Dayco Auto Belt Tensioner No Slack (DCO 89477) is an automatic tensioning device designed to maintain proper tension on serpentine belts in engine cooling systems. It ensures consistent belt tension to optimize accessory drive performance and reduce belt wear in heavy-duty applications.

Key Specifications

  • Application: Cooling system belt tensioning
  • Function: Maintains serpentine belt tension automatically
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Metal housing, steel pulley
  • Features: Pulley diameter 3.41 in, pulley width 1.55 in, counterclockwise rotation, single 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# 89477
Type OEM
Part# variations 89477 DYC,
89477DYC,
DCO 89477,
DCO89477
Manufacturer Dayco
Warranty Standard Manufactures