Lock Washer 3974670

positive OEM
Cummins
Part# 3974670
note
Lock washer securing fasteners against vibration in commercial engines.
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Description

The Cummins Lock Washer (3974670) is a fastening component designed to prevent loosening of bolted joints under vibration and dynamic loads. It secures fasteners in commercial vehicle assemblies, maintaining connection integrity in demanding operational environments.

Key Specifications

  • Application: Cummins 6B5.9, 6C8.3, K19, K38, K50 engines
  • Function: Prevents fastener loosening under vibration
  • Compatibility: Heavy-duty commercial truck engines
  • Construction: High-strength steel with serrated edges
  • Features: Serrated locking edges, vibration resistance
  • 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# 3974670
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty