Land Rover 1277022701 NOx Sensor Assembly

This NOx sensor assembly measures nitrogen oxide concentration in the exhaust stream downstream of the selective catalytic reduction (SCR) catalyst. It transmits real-time data via CAN bus to the engine control module for precise urea dosing control. The sensor element utilizes a ceramic sensing cell with integrated heater for rapid light-off. Direct-fit replacement for Land Rover OEM part numbers 1277022701, FPLA5H310CE, and HJ32-5H310-AC. Manufactured to OES specifications by Continental (VDO) ensuring OEM fit, form, and function. Compatible with 2.0L Ingenium diesel and 3.0L V6 diesel powertrains. Cross-reference interchange includes Continental 0281007266 and 0281007267. Thread specification M18 x 1.5 for standard exhaust bung installation. Four-pin connector interface matches vehicle harness. Designed for durability in high-temperature, high-vibration underbody environments.