Fuel Supply Tube 3978477

positive OEM
Cummins
Part# 3978477
note
OLD# 3967150
Fuel supply conduit delivering consistent fuel flow to heavy-duty engines.
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Extended Lead Time
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Description

The Cummins Fuel Supply Tube (3978477) is a critical conduit that transports fuel from the tank to the engine’s fuel system. It maintains consistent fuel flow under operating pressures, supporting engine performance and efficiency in heavy-duty vehicles.

Key Specifications

  • Application: QSC8.3 CM850 (CM2850) engines
  • Function: Transports fuel from tank to fuel transfer pump
  • Compatibility: Heavy-duty truck engines, Cummins QSC family
  • Construction: Corrosion-resistant metal tubing
  • Features: Pressure-resistant design, leak prevention fittings
  • 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# 3978477
Old Part No.: 3967150
Type OEM
Part# variations 3978477 CUM,
3978477CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty