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2139930 Genuine Cummins NOx Nitrogen Oxide Sensor

2139930 Genuine Cummins NOx Nitrogen Oxide Sensor

P/N: 2139930 Manufactured by: Cummins
$877.00 - $877.00
$877.00
$877.00 - $877.00
$877.00
1 in Stock
Condition: New
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2-Year Warranty

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Product Overview

The 2139930 is a genuine Cummins NOx nitrogen oxide sensor designed for diesel exhaust aftertreatment systems. This sensor measures nitrogen oxide concentrations in the exhaust flow and transmits emissions data to the engine control module for accurate aftertreatment management.

Product Features

The 2139930 NOx sensor is manufactured to Cummins factory specifications for diesel emissions applications.

  • Monitors nitrogen oxide concentrations throughout the exhaust system operation.
  • Provides continuous sensor feedback to the engine control module.
  • Supports coordinated SCR, DEF, and EGR system performance.
  • Helps maintain proper exhaust emissions control during engine operation.
  • Designed for compatibility with OEM electrical and exhaust system connections.
  • Delivers reliable NOx measurements for aftertreatment system regulation.

Technical Specifications

Condition New
Part Number 2139930
Brand Cummins
Part Type NOx Nitrogen Oxide Sensor
Engine Applications EPA13 8.9L ISC/ISL
Weight 4.0 lbs


Installation Notes

The 2139930 should be installed after inspecting the exhaust sensor mounting location, connector terminals, and wiring harness for corrosion, contamination, or heat damage. After installation, clear stored fault codes and verify correct NOx sensor communication using the appropriate diagnostic equipment.

Always verify part number, engine application, sensor location, connector configuration, and emissions system compatibility before installation.