FITMENT:
Compatible with Volvo Trucks Euro 6 heavy-duty trucks including Volvo FH4 and Volvo FM4.
OEM reference numbers: 22219281, 5WK96718B.
SNS24V upstream NOx sensor used in SCR emission system for diesel exhaust monitoring.
Installed before catalytic converter (inlet position) in exhaust aftertreatment system.
Fitment must be confirmed by OEM part number and emission system configuration before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM numbers 22219281 or 5WK96718B with your original sensor and verify connector type, voltage (24V), and wiring length.

Q2: Where is this NOx sensor installed?
A2: It is installed in the upstream position before the SCR catalytic converter in Volvo Euro 6 exhaust systems.

Q3: What are common failure symptoms?
A3: Engine warning light, SCR system fault, incorrect NOx readings, or reduced engine performance.

Q4: Is this sensor specific to Euro 6?
A4: Yes, it is used on Volvo Euro 6 FH4 and FM4 SCR emission systems.

Q5: Does replacement require programming?
A5: Some vehicles require system reset or diagnostic adaptation after installation.