Continental 5WK9 6715 Nitrogen Oxide Sensor Assembly

This nitrogen oxide sensor assembly is designed for heavy-duty diesel aftertreatment systems. It utilizes a planar ceramic sensing element to measure NOx concentration in the exhaust stream, providing closed-loop feedback to the engine control unit for selective catalytic reduction (SCR) dosing control. The sensor operates on a 24V electrical system and features an 8-pin connector interface for heater control and signal transmission. The probe body is constructed from high-temperature stainless steel with a protective metal shield; the connector housing is ABS plastic. It is engineered to withstand harsh exhaust environments with high vibration and thermal cycling. Direct replacement for Hino OE 89463-37020 and Continental 5WK9 6715 series. Cross-references include 89463-37021, 89463-37022, 5WK9 6715A, 5WK9 6715B, and aftermarket numbers C-88001, K11005.