Startseite » Oxygen Sensor Upstream for Mazda MX-5 Miata 2.0L P51B-18-8GX

Oxygen Sensor Upstream for Mazda MX-5 Miata 2.0L P51B-18-8GX

SKU: 1005012171657003-Default Title
Default Title
€57,15
-38% €91,44 €57,15

Keep your Mazda MX-5 Miata running cleanly and efficiently with this upstream oxygen sensor designed for the 2.0L MX-5 Miata (2016–2018). A direct-fit replacement, it mirrors the OEM design to deliver accurate exhaust gas readings to the engine control unit, helping your car maintain optimal air-fuel balance, smoother idling, and better fuel economy. The heated upstream sensor and robust build ensure reliable performance from cold starts, reducing emissions and protecting engine performance over time. This part is cross-referenced to OEM number P51B-18-8GX, with multiple compatible references to simplify sourcing for your vehicle.

Benefits & Tips

  • Restore precise oxygen readings to your ECU, improving fuel trim, idle quality, and overall efficiency.
  • Heated design contributes to quicker sensor response after cold starts, helping the engine reach optimal operation faster.
  • Direct replacement for Mazda MX-5 Miata 2.0L L4 2016–2018; verify part numbers if you’re sourcing replacements to ensure a fitment match.

Product specifications

  • Part Numbers / OEM references: P51B-18-8GX, P51B188GX, P51B 18 8GX, 234-5720, 2345720, 234 5720, 27034, 450-35075, 45035075
  • Application: For Mazda MX-5 Miata 2.0L L4 (2016–2018)
  • Sensor Type: Piezoelectric
  • Heating: Heating Type
  • Brand: IWOKPHD
  • Origin: Mainland China
  • Measuring Range: For Mazda MX-5 Miata 2.0L L4
  • Hysteresis: Front, Upper, Upstream
  • Repeatability: P51B-18-8GX
  • Warranty: 2 years

Package includes:

  • 1 piece

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 confirm which item fits your car, please send the Part Number or the original product photos to us to confirm before ordering.
  • 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 within 24 hours.

Language support: English

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