Lock Nut 4006785

positive OEM
Cummins
Part# 4006785
note
Lock nut securing engine components against vibration-induced loosening.
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Extended Lead Time
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Description

The Cummins Lock Nut (4006785) is a mechanical fastener designed to secure components in commercial truck engine assemblies. It prevents loosening caused by vibration and rotational forces, maintaining the integrity of critical connections under dynamic operating conditions.

Key Specifications

  • Application: QSK50 CM2150 MCRS, QSK60 CM850 MCRS, QSK60G, QSK78 CM500 engines
  • Function: Prevents fastener loosening under vibration
  • Compatibility: Cummins QSK engine series
  • Construction: Metal with locking feature (nylon insert or deformed threads)
  • Features: Vibration-resistant locking mechanism, corrosion-resistant finish
  • 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# 4006785
Type OEM
Part# variations 4006785 CUM,
4006785CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty