Idler Pulley 3009639

positive OEM
Cummins
Part# 3009639
note
Maintains tension and alignment of accessory drive belts in commercial engines.
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Extended Lead Time
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Description

The Cummins Accessory Drive Belt Idler Pulley (3009639) is a mechanical component that maintains proper tension and alignment of engine accessory drive belts. It supports the belt drive system by reducing wear and ensuring consistent power transmission to engine accessories, contributing to overall engine efficiency and reliability.

Key Specifications

  • Application: Cummins K19, KTA19, KTA19GC, QSK19 CM500 series
  • Function: Maintains accessory drive belt tension and alignment
  • Compatibility: Heavy-duty commercial truck engines
  • Construction: Metal pulley with precision-machined surfaces, self-aligning bearing
  • Features: Radial strength, vibration reduction, friction minimization, belt wear prevention
  • Quality: OEM Cummins 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# 3009639
Type OEM
Part# variations 3009639 CUM,
3009639CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty