Nissan Navara NP300 Oxygen Sensor 22693-4CL0A 22690-00Q1H 234-9149

When your Nissan Navara NP300 shows idle instability, acceleration weakness, higher fuel consumption, or engine fault light, it’s likely the oxygen sensor aging or insulation degradation causing improper air-fuel ratio. This sensor monitors exhaust oxygen and feeds ECU to precisely control injection. Compatible with Nissan Navara NP300 (D23 series); OEM numbers 22693-4CL0A, 22690-00Q1H, compatible with 234-9149. Installation: operate with cold engine, clean threads before installation, apply anti-seize, torque per manufacturer standards to prevent sensor damage or leaks.