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S11874 Genuine Cummins NOx Nitrogen Oxide Sensor

S11874 Genuine Cummins NOx Nitrogen Oxide Sensor

P/N: S11874 Manufactured by: Cummins
$399.00 - $399.00
$399.00
$399.00 - $399.00
$399.00
1 in Stock
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Product Overview

The S11874 is a genuine Cummins NOx nitrogen oxide sensor used in diesel exhaust aftertreatment and emissions control systems. This sensor measures NOx levels in the exhaust stream and sends data to the engine control module for SCR, DEF, and EGR system operation.

Product Features

The S11874 NOx sensor is manufactured to Cummins factory specifications for exhaust emissions monitoring.

  • Measures nitrogen oxide concentrations in the exhaust stream during engine operation.
  • Sends emissions data to the engine control module for system adjustment.
  • Supports SCR, DEF, and EGR aftertreatment system control.
  • Helps monitor exhaust output for regulated emissions compliance.
  • Assists protection of SCR and catalyst components through sensor feedback.
  • Designed for integration with OEM diesel emissions system wiring.

Technical Specifications

Condition New
Part Number S11874
Brand Cummins
Part Type NOx Nitrogen Oxide Sensor
Engine Applications Cummins ISB 6.7L, ISL 8.9L, ISX12, ISX15
Vehicle Applications International LT, Peterbilt 220
Weight 4.0 lbs


Installation Notes

The S11874 should be installed after checking the exhaust sensor port, wiring harness, and electrical connector for corrosion, heat damage, or thread contamination. After installation, clear stored emissions faults and verify NOx sensor communication with the engine control and aftertreatment systems.

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