Pump-Doser 4387657RX

positive OEM
Cummins
Part# 4387657RX
note
DEF doser pump for precise diesel exhaust fluid metering in emission systems.
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Description

The Genuine Cummins DEF Doser Pump (4387657RX) is a critical component in diesel exhaust fluid delivery systems. It precisely meters DEF into the aftertreatment system to reduce emissions. This pump supports emission control by ensuring accurate dosing of fluid in heavy-duty diesel engines.

Key Specifications

  • Application: EPA13 15 liter ISX/QSX engines
  • Function: Metering diesel exhaust fluid dosing
  • Compatibility: ISX, QSX engine series
  • Construction: Metal housing, corrosion-resistant components
  • Features: 12V operation, precise fluid metering, integrated control module
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 4387657RX
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty