Starting Motor 3971615

positive OEM
Cummins
Part# 3971615
note
OLD# 3971615
Electric starter motor converting battery power to engine rotation.
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Extended Lead Time
non-returnable Non-returnable info
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Description

The Cummins Starting Motor (3971615) is an electric motor that initiates engine operation by converting electrical energy into mechanical rotation. It engages the engine’s flywheel to start combustion, enabling reliable engine ignition in commercial vehicles. This component is essential for consistent engine startups under varied operating conditions.

Key Specifications

  • Application: Tier 3 6.7L ISB/QSB engines, B and 6 Series, QSB, ISB
  • Function: Converts electrical energy to mechanical torque for engine start
  • Compatibility: Cummins B Series, 6 Series, QSB Series, ISB Series engines
  • Construction: Steel housing, copper windings, gear reduction mechanism
  • Features: 12V operation, 10-tooth pinion gear, gear reduction starter design
  • 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# 3971615
Old Part No.: 3971615
Type OEM
Part# variations 3971615 CUM,
3971615CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty