Tube,Fuel Supply 3979403

positive OEM
Cummins
Part# 3979403
note
Metal tube for fuel transfer in heavy-duty engine fuel systems.
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Description

The Cummins Fuel Supply Tube (3979403) is a critical component in fuel delivery systems, facilitating the transfer of fuel within heavy-duty engine assemblies. It is engineered to maintain secure and efficient fuel flow under operational conditions in commercial vehicle applications.

Key Specifications

  • Application: Tier 3 8.9L ISC/ISL engines
  • Function: Transfers fuel within engine fuel system
  • Compatibility: 4B3.9, 6B5.9 engine series
  • Construction: Metal tubing
  • Features: Direct-fit design, corrosion-resistant surface
  • 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# 3979403
Type OEM
Part# variations 3979403 CUM,
3979403CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty