Fitment

Fits for:

• Volvo VNL / VNM / VNX / VNR trucks
• Volvo D11 / D13 / D16 diesel engines
• Mack MP7 / MP8 diesel engines
• Volvo / Mack heavy-duty trucks with SCR (AdBlue) systems
• Engine: EPA10 / EPA17 emissions SCR aftertreatment systems
• Position: Exhaust NOx sensor (outlet / downstream SCR depending on configuration)
• OE / Cross References: 22303391 / 5WK97366 / 21069361 / 21479637 / 22014032 / SNS-type NOx sensor family / 5WK97365 (related variant)

FAQ

Q1: Are 22303391 and 5WK97366 the same sensor?
A1: Yes. 22303391 is the Volvo OE number, and 5WK97366 is the sensor manufacturer reference used for the same NOx sensor module in SCR systems.

Q2: What vehicles use this sensor?
A2: It is commonly used on Volvo VNL/VNM/VNR trucks and Mack MP7/MP8 engines such as D11, D13, and D16 platforms with SCR (AdBlue) emissions systems.

Q3: Is this inlet or outlet sensor?
A3: It is typically used as an outlet (downstream) NOx sensor in SCR systems, depending on exhaust layout and engine configuration.

Q4: What does this sensor do?
A4: It measures nitrogen oxide (NOx) levels in exhaust gases and sends data to the ECU, which controls DEF (AdBlue) dosing to reduce emissions and maintain SCR efficiency.