Thermostat 3934373

positive OEM
Cummins
Part# 3934373
note
Engine thermostat regulating coolant flow for temperature control
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Description

The Cummins Engine Coolant Thermostat (3934373) regulates engine temperature by controlling coolant flow between the engine and radiator. It maintains optimal operating temperature to prevent overheating and improve engine efficiency in commercial truck applications.

Key Specifications

  • Application: B engine series
  • Function: Controls coolant flow to regulate engine temperature
  • Compatibility: Heavy-duty diesel engines, commercial trucks
  • Construction: Metal housing with heat-responsive valve
  • Features: Thermal expansion valve, bleed valve for air release
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 3934373
Type OEM
Part# variations 3934373 CUM,
3934373CUM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty