Dorman 904-943 Nitrogen Oxide (NOx) Sensor – Downstream or Upstream

Dorman NOx Sensor for Mercedes-Benz Diesel Applications

Dorman 904-943 is a specific-fit nitrogen oxide (NOx) sensor built to match the original equipment sensor on select Mercedes-Benz diesel vehicles. It restores NOx detection for emissions system monitoring and helps support compliance on covered Sprinter, GLS350d, GL350, and GLE300d applications.

• Specific-fit NOx sensor for select Mercedes-Benz diesel models
• Matches OE sensor form and function for emissions monitoring
• Black connector with oval shape and 5 terminals
• Wire harness included; 29-inch harness length
• 18-gauge wiring with blade-style terminals
• Black and silver finish
• Fits upstream and downstream positions depending on application

OE-Style Emissions Sensor Replacement

This Dorman nitrogen oxide sensor is engineered for direct replacement on covered Mercedes-Benz diesel applications, including 2013-2018 M