Flywheel 3966065

positive OEM
Cummins
Part# 3966065
note
Mechanical flywheel storing rotational energy for smooth engine operation.
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Description

The Cummins Genuine Flywheel (3966065) is a mechanical component that stores rotational energy to stabilize engine operation. It smooths power delivery by maintaining engine momentum during non-power strokes, reducing vibrations and supporting consistent engine performance in heavy-duty vehicles.

Key Specifications

  • Application: EPA13 6.7L ISB/QSB engines
  • Function: Stores rotational energy for engine momentum
  • Compatibility: B6.7, ISB, ISD, ISBE, ISC, ISL9 engine series
  • Construction: Cast steel disk with ring gear
  • Features: Precision balanced, vibration dampening, starter gear engagement
  • 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). 

 

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More Information

Current Part# 3966065
Type OEM
Part# variations 3966065 CUM,
3966065CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty