沃尔沃D11 D13 D16柴油机氮氧传感器 22014032 5WK96643E 精准排放控制

Volvo D11, D13, D16 diesel engines nitrogen-oxide sensors (OEM 22014032; compatible with 5WK96643E and 5WK96643) installed on the exhaust pipe to monitor NOx concentration and feed real-time data to the ECU to precisely control urea injection, optimizing combustion and ensuring emissions compliance. Applies to Volvo trucks and corresponding engine series. Installation difficulty is moderate; suggested labor time 30–45 minutes; avoid wiring damage or contact with high-temperature parts. If the dashboard emissions light is on, diagnose promptly.