Pressure Switch 3977579

positive OEM
Cummins
Part# 3977579
note
Pressure switch regulating system pressure in commercial truck engines.
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Description

The Cummins Pressure Switch (3977579) is a device that monitors and regulates pressure within vehicle systems by opening or closing electrical contacts in response to pressure changes. It ensures pressure levels remain within specified limits to maintain system performance and safety in commercial truck applications.

Key Specifications

  • Application: Euro III 8.9L ISC/ISL engines
  • Function: Monitors and controls system pressure via electrical contacts
  • Compatibility: ISC CM850, ISL9 CM2150 SN engine series
  • Construction: Metal housing, diaphragm sensor, corrosion-resistant components
  • Features: Sensitive diaphragm, electrical contact switching, robust housing
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3977579
Type OEM
Part# variations 3977579 CUM,
3977579CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty