Injector-Doser 5506855

positive OEM
Part# 5506855
Electronic injector doser for precise DEF delivery in diesel aftertreatment.
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Description

The Genuine Cummins DEF Injector Doser (5506855) is a critical component in diesel exhaust fluid delivery systems, controlling precise dosing of DEF into the aftertreatment system. It regulates fluid injection to support emissions reduction in heavy-duty diesel engines.

Key Specifications

  • Application: EPA21 6.7L ISB/QSB engines
  • Function: Controls DEF dosing in SCR aftertreatment
  • Compatibility: Cummins ISB, QSB series
  • Construction: Metal housing, precision solenoid valve
  • Features: Electronic control, corrosion-resistant components
  • Quality: OEM Cummins part

Shipping Info

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More Information

Current Part# 5506855
Type OEM
Manufacturer Cummins
Warranty Standard Manufacturer Warranty