Lock Washer 4078919

positive OEM
Cummins
Part# 4078919
note
Lock washer securing bolted connections in commercial engines.
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Description

The Cummins Lock Washer (4078919) is a fastening component designed to secure bolted connections in commercial vehicle assemblies. It prevents loosening caused by vibration and dynamic loads, maintaining the integrity of critical fasteners. This lock washer is essential for ensuring stable mechanical connections in demanding operational environments.

Key Specifications

  • Application: Tier 3 5.9L ISB/QSB engines, QSB5.9 CM850, QSB6.7 M CM2250, QSC8.3 CM850, QSM11 CM570
  • Function: Prevents fastener loosening under vibration
  • Compatibility: Cummins ISB, QSB, QSC, QSM engine series
  • Construction: Steel material with split or serrated edge
  • Features: Corrosion resistance, spring tension, friction-enhancing design
  • 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). 

 

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

More Information

Current Part# 4078919
Type OEM
Part# variations 4078919 CUM,
4078919CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty