Home » Oxygen Sensor Downstream Air-Fuel Ratio for Aston Martin V8 Vantage S 4.7 GT8 4.3

Oxygen Sensor Downstream Air-Fuel Ratio for Aston Martin V8 Vantage S 4.7 GT8 4.3

SKU: 1005012061445348-Default Title
Default Title
€38,11
-38% €60,98 €38,11

Main Description

Oxygen Sensor Downstream Air-Fuel Ratio for Aston Martin V8 Vantage S 4.7 GT8 4.3 by IWOKPHD is a direct replacement downstream O2 sensor that monitors the air–fuel ratio after the catalytic converter. This sensor provides precise lambda readings to the engine control unit, helping to optimize combustion, reduce emissions, and maintain smooth performance across the Aston Martin Vantage range.

Designed with a piezoelectric sensing element and a heating type, it delivers faster warm-up and reliable response in varied conditions. It’s engineered to match the factory connectors and mounting points for a stable, install‑friendly fit. OEM Number BG33-9G444-AB. Origin: Mainland China.

Benefits & Tips

  • Restores accurate downstream oxygen-sensor feedback to improve idle stability, fuel economy, and low-emission operation on listed Aston Martin models.
  • Direct replacement with a tight fit keeps the ECU readings consistent with factory specifications, helping prevent false diagnostic codes.
  • Tip: verify fitment against the listed models and years before installation; if unsure, contact us prior to ordering to avoid mismatches.

Product specifications

  • Brand Name: IWOKPHD
  • OEM No.: BG33-9G444-AB (also referenced as BG339G444AB BG33 9G444 AB)
  • Sensor Type: Piezoelectric; Heating Type
  • Measured Parameter: Downstream Rear Probe Air Fuel Ratio Lambda O2 (oxygen sensor)
  • Compatibility/Model Years (fits listed Aston Martin variants):
    • Aston Martin Vantage 4.3: 2005–2008, 2010–2012
    • Aston Martin Vantage 4.3 Volante: 2007–2008
    • Aston Martin Vantage 4.7 GT8: 2013
    • 2017 Aston Martin V8 Vantage GTS Convertible (4.7L)
    • 2017 Aston Martin V8 Vantage GTS Hatchback (4.7L)
    • 2016 Aston Martin V8 Vantage S Convertible (4.7L)
    • 2016 Aston Martin V8 Vantage S Hatchback (4.7L)
  • Origin: Mainland China
  • Repeatability (model years included in fitment): 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2013, 2016, 2017

Package includes

Package includes: 1pcs

Warnings / Reminders

  • Note: Please check the product picture and fitment before ordering. If you are not sure, please contact us before you order it; otherwise refunds for wrong orders may not be issued.
  • Shipping: All items are dispatched within 2 working days after payment confirmation. Please ensure your shipping address is correct. Import duties, taxes, and charges are not included in the item price or shipping charges and are the buyer’s responsibility.

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