Plain Washer 4006240

positive OEM
Cummins
Part# 4006240
note
OLD# 3093881
Flat steel washer for load distribution and sealing in truck engine systems.
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Description

The Cummins Plain Washer (4006240) is a flat, annular component used to evenly distribute the load of threaded fasteners in mechanical assemblies. It serves to protect surfaces from damage and maintain proper spacing and alignment within heavy-duty truck systems.

Key Specifications

  • Application: Fuel system, cooling system, oil system
  • Function: Load distribution and sealing support
  • Compatibility: B3.3, QSB3.3 CM2150, QSB3.3 CM2250 EC, QSK78 CM500 engines
  • Construction: Steel
  • Features: Flat annular shape, corrosion resistance, precise dimensions
  • 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# 4006240
Old Part No.: 3093881
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty