Engine Speed Sensor 3971994

positive OEM
Cummins
Part# 3971994
note
Monitors engine crankshaft speed for ECU control and engine management.
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Description

The Cummins Engine Speed Sensor (3971994) monitors the rotational speed of the engine’s crankshaft, providing critical data to the engine control unit for managing engine functions. This sensor plays a key role in ensuring accurate engine speed measurement to support efficient engine operation under various conditions.

Key Specifications

  • Application: Cummins B, C, L, QSZ, Z series engines
  • Function: Detects engine crankshaft rotational speed
  • Compatibility: 4B3.9, 6B5.9, 6C8.3, L8.9, L9.5, QSZ13, Z13 engine series
  • Construction: Magnetic pickup sensor with corrosion-resistant housing
  • Features: Electrical signal output, resistance approx. 300Ω, interference resistant
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3971994
Type OEM
Part# variations 3971994 CUM,
3971994CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty