Ford Focus 2005-2012 Front Oxygen Sensor OEM - 3M519F472AC

Ford Focus 2005-2012 Front Oxygen Sensor OEM – 3M519F472AC

Ford Focus 2005-2012 Front Oxygen Sensor OEM – 3M519F472AC is an important part of the vehicle's exhaust and fuel control system, helping measure the oxygen content in the exhaust gas so the ECU (central control unit) can adjust the air-fuel ratio appropriately, optimize engine performance, save fuel, and reduce harmful emissions.

This product is a high-quality OEM replacement part, manufactured to Ford technical standards, ensuring accuracy, durability, and perfect compatibility with Ford Focus models from 2005–2012 (1.8L, 2.0L engines).

Oxygen sensor functions:

• Measures the remaining oxygen in the engine exhaust.

• Sends signals to the ECU to adjust the amount of fuel injected into the combustion chamber.

• Helps the engine burn completely, save fuel, and increase power.

• Reduces CO, NOx, and HC emissions that pollute the environment.

• Supports detection of faults in the fuel or exhaust system.

Key advantages:

• Ford-standard OEM replacement part – Part number 3M519F472AC, ensuring high accuracy.

• Stable operation, with quick response to engine changes.

• Oxidation-resistant material with excellent heat and corrosion resistance.

• Direct-fit installation, 100% compatible with Ford Focus 1.8 / 2.0 models from 2005–2012.

• Helps the car save fuel and run smoothly and reliably.

Signs of a faulty oxygen sensor:

• The car shows a Check Engine light or exhaust system fault.

• Fuel consumption increases unusually.

• The engine vibrates, idles roughly, or is hard to start.

• Exhaust smells like raw fuel or produces black smoke.

• Engine performance drops noticeably.

When these signs appear, it is recommended to inspect and replace the genuine Ford OEM oxygen sensor 3M519F472AC to ensure engine performance and durability.

Suitable for:

• Ford Focus 1.8L / 2.0L (2005 – 2012)

Benefits of replacing with the correct oxygen sensor:

• Optimizes fuel combustion performance.

• Reduces fuel consumption and harmful emissions.

• Maintains stable idling.

• Extends the life of spark plugs, the catalytic converter, and the engine.

Maintenance tip:

It is recommended to inspect and replace the oxygen sensor after 80,000 – 100,000 km, or sooner if the vehicle is driven in dusty or smoky conditions or shows signs of increased fuel consumption.