PRE CAT Oxygen Sensor O2 - for Nissan Navara D40 Pathfinder R51 VQ40

This Pre-Catalytic Converter (Pre-Cat) Oxygen Sensor, also known as an O2 sensor or air-fuel ratio sensor, is fitted into your vehicle's exhaust system before the catalytic converter. It is a critical component of the engine management and emissions control systems.

This sensor measures the amount of unburnt oxygen in the exhaust gas as it leaves the engine. It sends this vital information to the Engine Control Unit (ECU), which then adjusts the air-to-fuel ratio for optimal combustion. A replacement is necessary when the original sensor fails or becomes contaminated, leading to inaccurate readings and poor engine management.

There is also two oxygen sensors that are POST CAT also, they are also available separately in our online store.

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Product Features

• Direct Fit Replacement: Designed as a direct replacement for the original part, ensuring a straightforward, hassle-free installation with no modifications needed.
• Precision Engineering: Features a high-quality sensing element that provides rapid, accurate feedback to the ECU for precise air-fuel ratio control.
• Durable Construction: Built with a robust stainless steel housing and protective tube to withstand high exhaust temperatures and resist corrosion for long service life.
• Restores Performance: A new O2 sensor helps restore lost engine power, improve throttle response, and smooth out a rough idle.
• Optimises Fuel Economy: By ensuring the engine runs at the correct air-fuel mixture, this sensor helps maximise fuel efficiency, saving you money at the pump.
• Reduces Emissions: A properly functioning sensor is essential for keeping your vehicle's harmful emissions within legal limits.

Vehicle Fitment

This part has been designed to fit

• Nissan Navara D40 Spanish Built models with VIN# starting with VSK with VQ40 engine
• Nissan Pathfinder R51 Spanish built models with VIN# starting with VSK with the VQ40 engine

Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.