Belt Tensioner - Automatic , Heavy Duty 89930

positive OEM
Part# 89930
Automatic belt tensioner for maintaining serpentine belt tension in heavy-duty engines.
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Description

The Dayco Automatic Heavy Duty Belt Tensioner (DCO 89930) is a mechanical component designed to maintain proper tension on serpentine belts in heavy-duty engine cooling systems. It automatically adjusts belt tension to ensure consistent performance and reduce belt slippage under varying operating conditions.

Key Specifications

  • Application: Heavy-duty engine cooling systems
  • Function: Maintains serpentine belt tension automatically
  • Compatibility: Heavy-duty trucks, commercial vehicles
  • Construction: Metal housing, steel pulley
  • Features: Automatic tensioning, counterclockwise rotation, flat pulley, pulley diameter 2.91 in, pulley width 1.29 in
  • Quality: Aftermarket part

Shipping Info

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More Information

Current Part# 89930
Type OEM
Manufacturer Dayco
Warranty Standard Manufactures