• Part Type: Inlet NOx (Nitrogen Oxide) sensor. This sensor is located in the exhaust system before the Selective Catalytic Reduction (SCR) system to measure engine-out NOx levels and help the engine control unit (ECU) optimize emissions and fuel efficiency.
• OEM Part Number: 22303390 is the primary OEM number for this part.
• Cross-Reference Numbers: Other interchangeable part numbers include 5WK9 7367, 21479638, 21567764, 21636091, and 21302275.
• Vehicle Compatibility: This sensor is designed for use in various heavy-duty Volvo and Mack trucks equipped with specific engines:
  • Mack: MP7 and MP8 engines.
  • Volvo: D11, D13, and D16 engines.

This sensor provides the same fit and performance as the original equipment manufacturer (OEM) part, offering a reliable and cost-effective solution for maintaining optimal engine performance and emissions control.