Crankshaft,Engine 3944243

positive OEM
Part# 3944243
Main rotating shaft converting piston motion to engine torque
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Description

The Cummins Engine Top Level Assembly Crankshaft (3944243) is a critical rotating component that converts linear piston motion into rotational energy to drive the engine’s powertrain. It serves as the main shaft within the engine block, supporting the crank mechanism and enabling torque transmission.

Key Specifications

  • Application: Stage 2 5.9L ISB/QSB engines
  • Function: Converts piston motion to rotational torque
  • Compatibility: Cummins ISB, QSB engine series
  • Construction: Forged steel alloy
  • Features: Top level assembly, helical gear design
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3944243
Type OEM
Part# variations 3944243 CUM,
3944243CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty