Flywheel 3979006

positive OEM
Cummins
Part# 3979006
note
Flywheel stores rotational energy and stabilizes engine speed in commercial trucks.
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Extended Lead Time
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Description

The Cummins Flywheel (3979006) is a mechanical component that stores rotational energy to stabilize engine speed and smooth power delivery. It facilitates efficient energy transfer within the engine system and supports clutch operation for commercial truck engines.

Key Specifications

  • Application: 4B3.9, 6B5.9, 6C8.3, B4.5, QSB3.9 30 CM550, QSB4.5 CM850, QSB5.9 30 CM550, QSB6.7 CM2350 B105, QSB6.7 CM850, QSB7 CM2880 B117, QSC8.3 CM850, QSC9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM850
  • Function: Stores rotational energy, stabilizes engine speed, transmits power to transmission
  • Compatibility: Cummins QSB, QSC, QSL series, 4B, 6B, 6C, B series engines
  • Construction: Cast steel flywheel with machined surface
  • Features: Balanced mass distribution, starter ring gear interface, vibration damping 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# 3979006
Type OEM
Part# variations 3979006 CUM,
3979006CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty