Fitment
Compatible with heavy-duty diesel emission systems (SCR / Euro VI platforms)

Vehicle applications include:
Volvo Trucks FH / FM / FMX / FL / FE series
Volvo Buses B5 / B8 / B11 / B12 platforms
Renault Trucks Kerax / Premium / Magnum / Midlum series
Volvo Penta industrial diesel applications
Other vehicles using part number 21567736 / 5WK96664E

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide concentration in diesel exhaust and sends signals to the SCR system for emission control and AdBlue dosing adjustment.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust aftertreatment system, typically in inlet or outlet SCR positions depending on configuration.

Q3: Is this a 24V sensor?
A3: Yes, this model is commonly used in 24V heavy-duty truck and bus systems.

Q4: Is part number matching required?
A4: Yes, exact matching of 21567736 / 5WK96664E is required for correct compatibility.

Q5: What are common failure symptoms?
A5: Engine warning light, SCR system fault codes, NOx sensor communication errors, or reduced engine performance mode.