Injector Fuel Supply Tube 3971129

positive OEM
Cummins
Part# 3971129
note
Fuel supply tube delivering pressurized fuel from rail to injectors.
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Description

The Cummins Injector Fuel Supply Tube (3971129) is a critical component in the fuel system that channels fuel from the fuel rail to the injectors. It ensures consistent fuel delivery under high pressure, supporting engine combustion efficiency and performance in heavy-duty applications.

Key Specifications

  • Application: Euro 3 4.5L B engines
  • Function: Fuel delivery conduit to injectors
  • Compatibility: Heavy-duty trucks, commercial diesel engines
  • Construction: Metal tube, corrosion-resistant materials
  • Features: High-pressure resistance, secure sealing ends, corrosion 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# 3971129
Type OEM
Part# variations 3971129 CUM,
3971129CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty