Fan Clutch 3967888

positive OEM
Part# 3967888
Engine cooling fan speed regulator for heavy-duty Cummins engines.
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Description

The Cummins Fan Clutch (3967888) is a mechanical component that regulates the speed of the engine-driven cooling fan. It adjusts fan engagement based on engine temperature to optimize cooling efficiency and reduce engine load. This part is essential for maintaining proper engine operating temperatures in heavy-duty vehicles.

Key Specifications

  • Application: EPA02 5.9 liter B engines
  • Function: Regulates engine cooling fan speed
  • Compatibility: Cummins ISB CM850 series, similar Cummins engines
  • Construction: Metal housing, viscous fluid coupling
  • Features: Thermal-responsive engagement, variable fan speed control
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3967888
Type OEM
Part# variations 3967888 CUM,
3967888CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty