Injector Fuel Supply Tube 3943278

positive OEM
Cummins
Part# 3943278
note
Fuel supply tube delivering pressurized fuel to engine injectors.
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Description

The Cummins Injector Fuel Supply Tube (3943278) is a critical component in diesel engine fuel systems, responsible for transporting fuel to the injectors. It maintains consistent fuel flow under high pressure and temperature conditions, supporting efficient combustion and engine operation. This tube is engineered for durability and precise fuel delivery in commercial vehicle applications.

Key Specifications

  • Application: Stage 2 5.9L ISB/QSB engines
  • Function: Transports fuel from fuel rail to injectors
  • Compatibility: Cummins diesel engines, commercial trucks
  • Construction: Corrosion-resistant metal tubing
  • Features: Reinforced connections, heat and pressure resistant
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3943278
Type OEM
Part# variations 3943278 CUM,
3943278CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty