Skip to content
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Free Standard Shipping on Eligible Orders Over $100 in the Contiguous U.S.
Search
4326476 Genuine Cummins NOx Nitrogen Oxide Exhaust Sensor

4326476 Genuine Cummins NOx Nitrogen Oxide Exhaust Sensor

P/N: 4326476 Manufactured by: Cummins
$419.00 - $419.00
$419.00
$419.00 - $419.00
$419.00
1 in Stock
Condition: New
We accept:
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa
Not Sure Which Part Fits?
Our support team is here to help.
+1 (828) 209-8010
Monday – Saturday | 8:00 AM – 8:00 PM (EST)
Fast 2–3 Day Shipping
30-Day Returns
In Stock & Ships Fast
Expert Support Available
2-Year Warranty

At Line Truck Parts LLC, we are committed to providing reliable automotive parts and a transparent customer experience. Eligible parts purchased directly from our website are covered by a 2-Year Limited Warranty, giving you added confidence in your purchase. Learn More

Product Overview

The 4326476 is a genuine Cummins Nox Nitrogen Oxide Sensor designed for OEM emissions system service. This sensor measures nitrogen oxide levels in the exhaust stream and sends data to the engine control module for SCR, DEF, and EGR system control. 

Product Features

The 4326476 Nox Nitrogen Oxide Sensor is manufactured to Cummins factory specifications for exhaust emissions monitoring.

  • Measures NOx levels in the exhaust stream for emissions system feedback.
  • Sends exhaust gas data to the engine control module for system control.
  • Supports SCR system operation through nitrogen oxide measurement.
  • Provides sensor input used for DEF dosing control.
  • Works with EGR system strategy through emissions feedback.
  • Helps identify emissions system faults through ECM diagnostic data.

General Specifications

Condition New
Part Number 4326476
Brand Cummins
Part Type Nox Nitrogen Oxide Sensor

 

Installation Notes

The 4326476 Nox Nitrogen Oxide Sensor should be installed in the original exhaust sensor location using the factory connector and mounting point. After installation, clear related fault codes and confirm proper emissions system communication with diagnostic equipment.

Verify part number, VIN, engine configuration, production date, emissions package, and applicable factory options before installation.