Startseite » O2 Sensor for Mazda RX-8 2.6L and Mazda 3 1.4/1.6L 2003-2008

O2 Sensor for Mazda RX-8 2.6L and Mazda 3 1.4/1.6L 2003-2008

SKU: 1005012111323269-Default Title
Default Title
€36,30
-38% €58,09 €36,30

The O2 Sensor for Mazda RX-8 2.6L and Mazda 3 1.4L/1.6L (2003-2008) is a direct-fit, heated oxygen sensor designed to monitor exhaust oxygen levels and keep your engine’s air-fuel ratio precisely balanced. With a built-in heated element for rapid warm-up, this sensor helps your catalytic converter reach optimal operating temperature faster, delivering cleaner emissions and smoother performance from the moment you start your car.

This sensor is a tailored replacement for 2003-2008 Mazda RX-8 2.6L and Mazda 3 1.4L/1.6L models. Replacing a worn or failing O2 sensor with the N3H1-18-861B part number restores accurate readings, supports stable idle, improves throttle response, and can help protect your exhaust system over time by maintaining proper combustion efficiency. Built for reliability in challenging exhaust environments, it’s designed to endure the temperature swings and vibrations of daily driving while delivering consistent performance.

Brand: IWOKPHDChoice. Sensor Type: Piezoelectric. Heating Type: Heated. OEM No.: N3H1-18-861B. Measuring Range: N3H1-18-861B. Origin: Mainland China.

Benefits & Tips

  • Restores precise air-fuel balance for Mazda RX-8 2.6L and Mazda 3 1.4L/1.6L (2003-2008), helping improve fuel efficiency and smoother acceleration.
  • Heated sensor design enables faster warm-up, stabilizing readings sooner and supporting quicker catalyst light-off.
  • Tip: To ensure a correct fit, verify the Part Number N3H1-18-861B matches your original sensor. If you’re unsure, send the Part Number or the original product photos to us for confirmation before ordering.

Product Specifications

  • Part Number: N3H1-18-861B
  • Application: For MAZDA RX8 2.6L (2003-2008); For MAZDA 3 1.4L/1.6L (2003-2008)
  • Sensor Type: Piezoelectric
  • Heating Type: Heated
  • Brand: IWOKPHDChoice
  • OEM No.: N3H1-18-861B
  • Origin: Mainland China

Package includes:

  • 1 pcs

Warnings / Reminders

  • Please check the picture and the part number carefully to make sure that you bought the right part for your car.
  • If you cannot determine which item fits your car, please send the Part Number or the Original product photos to us to confirm it before order.
  • The only way to be 100% sure that the part will fit your vehicle is to check your original part. We will check for you and reply soon within 24 hours.

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