Wiring Harness 3921741

positive OEM
Cummins
Part# 3921741
note
Electrical wiring assembly for power and signal management in commercial trucks.
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Description

The Cummins Wiring Harness (3921741) is an electrical assembly designed to connect and manage power and signal distribution within commercial truck systems. It organizes wiring and connectors to ensure stable communication between engine control units and critical electrical components, supporting overall vehicle electrical functionality.

Key Specifications

  • Application: Euro 2 3.9 liter B engines
  • Function: Electrical power and signal distribution
  • Compatibility: 4B3.9 engine series
  • Construction: Copper wiring, plastic connectors, protective sheathing
  • Features: Corrosion-resistant materials, integrated connectors for Base Fuel Pump and Bosch Injection Pump
  • 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# 3921741
Type OEM
Part# variations 3921741 CUM,
3921741CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty