沃尔沃FH4 FM4 EURO6 氮氧传感器 22219276 5WK96719B 专用替换

Volvo FH4/FMs EURO6 trucks designed for 2013-2018 with D11/D13 engines; nozzles matched to 10.8L and 12.8L variants. This NOx sensor monitors NOx in exhaust in real time and feeds data to ECU to optimize SCR urea injection, ensuring emissions compliance and improved fuel economy. OEM 22219276 and 5WK96719B correspond exactly; direct replacement no programming or flashing required. Replacement difficulty moderate; use a professional socket to remove old sensor, install with torque 45-50 Nm to avoid thread damage. KLP brand, original-performance standard, suitable for fleet maintenance or single replacements; reduces post-sales retumu risk from sensor failure.