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Rear Oxygen Sensor Air Fuel Ratio Lambda for Nissan 350Z Altima Maxima Quest

Unité de gestion de stock: 1005012169618787-Default Title
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€36,56
-37% €58,49 €36,56

Upgrade your Nissan or Infiniti with a reliable Rear Oxygen Sensor Air Fuel Ratio Lambda unit designed for downstream monitoring. This IWOKPHD sensor targets the rear O2 sensor position, delivering accurate air-fuel ratio readings to help your engine run efficiently, reduce emissions, and maintain optimal performance across model years. It’s a direct-fit replacement compatible with Nissan 350Z, Altima, Maxima, Quest and a range of Infiniti models. The heated design speeds up warm-up, so your ECU can quickly adjust fuel trims from startup, improving drivability and response in everyday driving.

Built to match OEM specifications, this sensor supports precise lambda readings essential for proper combustion. Each unit is rigorously tested before shipment, ensuring a stable install and dependable operation once it’s in place. Whether you’re replacing a tired sensor or upgrading an aging part, this rear O2 sensor helps restore smooth idle, consistent acceleration, and reliable fuel economy.

Benefits & Tips

  • Practical replacement that restores accurate fuel trims for Nissan 350Z, Altima, Maxima, and Quest, plus Infiniti FX35/FX45/G35/M35/M45/Q45 models listed in compatibility.
  • Tip: After installation, allow the engine to reach normal operating temperature and drive through a few cycles to let the ECU relearn fuel trims with the new sensor.
  • Tip: The heating element shortens cold-start times, reducing rich starting mixtures and cutting emissions during the first minutes of operation.

Product specifications

  • Brand: IWOKPHD
  • Sensor Type: Piezoelectric
  • Heating Type: Yes (heated O2 sensor)
  • OEM part numbers (reference): 234-4312, 2344312, 226A0-AM601, 226A0AM601, 226A0-AR210, 226A0AR210, 234-4307, 2344307, 15365, 15522
  • Measuring Range: Rear Downstream Car Probe Air Fuel Ratio Lambda O2/Oxygen Sensor
  • Hysteresis: specified for Nissan 350Z, Altima, Maxima, Quest applications
  • Fitment/Compatibility (models and years): Infiniti FX35 (2003–2006); FX45 (2003–2008); G35 (2003–2007); M35 (2006); M45 (2003–2010); Q45 (2002–2006); Nissan 350Z (2003–2006); Altima (2004–2006); Maxima (2004–2006); Quest (2004–2009)
  • Origin: Mainland China
  • Part numbers covered by this listing: 234-4312, 226A0-AM601, 226A0-AR210, 234-4307, and related codes

Package includes:

  • 1PCS

Warnings & reminders

Please check the product picture and fitment before you order. If you are not sure, please contact us before you order; otherwise refunds may not be issued for incorrect orders. We focus on delivering high-quality products and ensure each item is thoroughly tested before shipment.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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