Downstream O2 Sensor for Toyota Corolla 1.8L 2014-2018
Introducing the Downstream O2 Sensor for Toyota Corolla 1.8L (2014-2018) from IWOKPHD. This downstream oxygen sensor is designed to monitor exhaust gas post-catalytic converter, feeding precise readings to the engine control unit to help optimize fuel trim, reduce emissions, and maintain smooth engine performance. Built as a direct-fit, high-quality replacement for Toyota Corolla 1.8L models from 2014 to 2018, it supports reliable, long-lasting operation with proper compatibility in mind. OEM No. 234-4921 and additional compatible part numbers ensure flexible ordering for your repair needs. Origin: Mainland China. All electronic and mechanical equipment sold by InterCyprus to EU countries is CE certified and carries a two year warranty. Since 2002, intercyprus.com has been a trusted source for reliable parts and dependable service.
Benefits & Tips
- Restores accurate downstream oxygen readings to help maintain proper fuel-air balance and emission control on Toyota Corolla 1.8L, model years 2014–2018.
- Ideal replacement to sustain engine performance and emissions compliance when the original sensor has degraded.
- Great for DIY maintenance or professional replacement—verify fit using the part numbers and vehicle details provided.
Product specifications
- Brand Name: IWOKPHD
- Application: For TOYOTA COROLLA 1.8L Downstream 2014-2018
- Sensor Type: Piezoelectric
- Heating Type: Heating Type
- Origin: Mainland China
- OEM No.: 234-4921
- Part Number: 234-4921, 89465-02390, 2344921, 8946502390
- Measuring Range: For TOYOTA COROLLA
- Hysteresis: Downstream
- Linear: 2014 2015 2016 2017 2018
- Repeatability: 234-4921
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 confirm which item fits your car, please send the Part Number or the original product photos to us to confirm it 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.
Shipping, returns, and support
- All items will be sent out within 2 working days after the payment is confirmed. Please ensure your shipping address is correct before you pay.
- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility.
- Shipping time is for reference; seasonal factors or bad weather may cause delays.
- If the part is damaged in transit or faulty, please provide a problem description and/or photos. Our Customer Service and Technical Department will work with you to resolve the issue promptly. Your positive feedback is important—please consider leaving 5 stars if you're satisfied.
Warranty: 2 years Warranty Type: Replacement Warranty
Trust statement: Since 2002, intercyprus.com has been a trusted source for reliable parts and dependable service.