Flywheel 3973525

positive OEM
Cummins
Part# 3973525
note
OLD# 3936238
Mechanical flywheel storing energy for smooth engine operation and power transfer.
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Extended Lead Time
non-returnable Non-returnable info
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Description

The Cummins Flywheel (3973525) is a mechanical component that stores rotational energy to stabilize engine operation. It facilitates smooth power delivery and engages with the starter motor and clutch system to support engine starting and power transmission in commercial truck engines.

Key Specifications

  • Application: Non Certified 5.9 liter B engines
  • Function: Stores rotational energy; smooths power delivery; engages starter and clutch
  • Compatibility: 6B5.9, QSB5.9 44 CM550 engine series
  • Construction: High-grade steel
  • Features: Precision machined surface; vibration damping; heavy-duty 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# 3973525
Old Part No.: 3936238
Type OEM
Part# variations 3973525 CUM,
3973525CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty