Flywheel 3972548

positive OEM
Cummins
Part# 3972548
note
OLD# 3935086
Mechanical flywheel storing rotational energy for engine power smoothing.
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Extended Lead Time
non-returnable Non-returnable info
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Description

The Cummins Genuine Flywheel (3972548) is a mechanical component that stores rotational energy to stabilize engine operation. It smooths power delivery by maintaining engine momentum between combustion cycles, supporting consistent torque transfer to the transmission in commercial vehicle engines.

Key Specifications

  • Application: 6B Series, 6C Series, F Series, ISC Series, QSB Series, QSC Series, QSF Series, QSL Series
  • Function: Stores rotational energy, smooths engine power delivery
  • Compatibility: Cummins commercial diesel engines
  • Construction: Cast steel disc with balanced weight distribution
  • Features: Ring gear for starter engagement, clutch interface surface, balanced mass
  • 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# 3972548
Old Part No.: 3935086
Type OEM
Part# variations 3972548 CUM,
3972548CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty