奔驰BENZ氮氧传感器 5WK96682F A0009053606 12V精准排放检测

KLP brand nitrogen oxide sensor for Mercedes-Benz; OEM numbers 5WK96682F and A0009053606; fits W204 and W212 series models with OM642 and OM651 diesel engines. This replacement uses high-temperature ceramic core and sealed weld structure; durability tested to cover over 100,000 km, prevents signal drift from thermal expansion/contraction. Function: accurately detects NOx concentration and feeds ECU to adjust SCR system, ensuring emissions compliance and preventing over-torque.