Mitsubishi Grandis 2.4L 2007 Model Oxygen Sensor MN163431 Direct Replacement

When your Mitsubishi Lancer X 2.4L (07 model) exhibits rough idle, noticeable fuel consumption increase, or MIL illumination, that is typically a sign of aging or failed oxygen sensor. It monitors exhaust oxygen content in real time and feeds ECU to adjust air-fuel ratio for efficient combustion and compliant emissions. This is a direct replacement oxygen sensor, OEM MN163431, perfectly fits Mitsubishi Lancer X 2.4L 07 model. Install while cold, handle carefully to avoid thread or wiring damage, after installation clear fault codes and road-test to verify operation.