Oxygen Sensor Downstream Air Fuel Ratio for Nissan Versa Micra 1.6L

Main Description

The Oxygen Sensor Downstream Air Fuel Ratio for Nissan Versa and Micra 1.6L is a purpose-built downstream sensor designed to monitor the exhaust gases after the catalytic converter. By providing precise feedback on the air–fuel ratio to your engine control unit, it helps keep emissions low, fuel economy steady, and catalyst performance optimal. This heated, piezoelectric sensor is specifically configured for the Nissan Versa (2012–2017), Nissan Versa Note (2014–2015), and Nissan Micra 1.6L (2015 onward), ensuring a reliable fit and consistent sensor response. Replacing a worn-down downstream sensor can reduce irregular idle, improve throttle response, and help prevent check engine lights related to the exhaust and emissions systems. With correct wiring and calibration, you’ll enjoy smoother running and better long-term reliability from your exhaust management system.

Benefits & Tips

• Restore accurate air–fuel ratio measurements after catalytic converter wear or sensor aging to lower emissions and protect the catalyst.
• Enhance fuel economy and throttle response by ensuring the engine receives reliable feedback for optimal combustion.
• Proactive replacement can aid in passing emissions tests and reduce the risk of related diagnostic trouble codes.

Product Specifications

• Brand: IWOKPHD
• Sensor Type: Piezoelectric
• Heater: Heating Type (heated O2 sensor)
• Part Numbers (Upstream): 234-9127, 22693-1KT0A
• Part Numbers (Downstream): 234-4534, 226A0-1KT0A
• Applications: Nissan Versa 2012–2017 (Upstream & Downstream), Nissan Versa Note 2014–2015 (Upstream & Downstream), Nissan Micra 1.6L 2015+ (Upstream & Downstream)
• OE No. 234-9127, 234-4534, 22693-1KT0A, 226A0-1KT0A
• Origin: Mainland China
• Measuring Range: 22693-1MR0A, 226931MR0A, 22693-3RC0A, 226933RC0A
• Repeatability: 24783, 16597, 24781, 19316342
• Resolution: 22693-5AA0B, 226935AA0B, 22693-1JA0A, 226931JA0A
• Sensitivity: 22693-1KT5A, 226931KT5A, 22693-5AA0A, 226935AA0A

Package Includes

• 1 Set (Upstream 234-9127/22693-1KT0A*1pcs + Downstream 234-4534/226A0-1KT0A*1pcs)
• Or Upstream 234-9127/22693-1KT0A*1pcs
• Or Downstream 234-4534/226A0-1KT0A*1pcs

Warnings / Reminders

Please check the picture and the part number carefully to ensure 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 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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