Flywheel 3972549

positive OEM
Cummins
Part# 3972549
note
OLD# 3935089
Flywheel storing rotational energy for smooth engine and clutch operation.
Package discount applied. Your savings:
info
Extended Lead Time
non-returnable Non-returnable info
Have a Question?
Live Chat chat or Contact us

Description

The Cummins Clutch Flywheel (3972549) is a mechanical component that stores rotational energy to stabilize engine operation. It smooths power delivery by maintaining consistent rotational speed and supports clutch engagement and starter motor function in heavy-duty engines.

Key Specifications

  • Application: EPA13 6.7L ISB/QSB engines
  • Function: Stores rotational energy, smooths power pulses, assists clutch engagement
  • Compatibility: 4B3.9, 6B5.9, 6C8.3, F3.8, ISB, ISC, QSB, QSC, QSF, QSL engine series
  • Construction: Heat-treated steel with balanced mass
  • Features: Ring gear for starter motor, vibration damping, balanced 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# 3972549
Old Part No.: 3935089
Type OEM
Part# variations 3972549 CUM,
3972549CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty