Oxygen Sensor Upstream Air Fuel Ratio for Toyota Highlander 2.4L 2001-2003
Upgrade your Toyota Highlander 2.4L with a dependable upstream oxygen sensor designed to precisely monitor the exhaust gas oxygen level, helping your engine maintain the ideal air-fuel balance. This Oxygen Sensor Upstream Air Fuel Ratio sensor is built to replace worn or failing parts and restore smooth driving, better idle stability, and improved emissions performance for models years 2001–2003 with the 2.4L engine. It’s engineered to match the original performance by using a heating element for faster warm-up and accurate readings from the moment you start the engine. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
By fitting the correct upstream sensor, you can reduce check engine light occurrences, improve fuel efficiency, and enjoy crisper throttle response. The sensor’s magnetic induction technology provides reliable signal generation, while the heating type ensures quicker stabilization after cold starts—so your engine runs closer to the optimal air-fuel ratio as you drive.
Benefits & Tips
- Restore fuel economy and smoother idle by replacing a degraded upstream O2 sensor in the Highlander 2.4L (2001–2003).
- Improve emissions control and engine responsiveness in everyday driving—city traffic, highway cruising, and mixed-use trips.
- Tip: If you’re diagnosing performance issues, use this compatible sensor as a straightforward replacement to restore proper feedback to the engine control unit (ECU).
Product specifications
- Application: Toyota Highlander 2.4L, years 2001-2003
- OEM / Part Numbers: 89467-48030, 234-9058, 2349058
- Sensor Type: Magnetic Induction
- Type: Heating Type
- Measuring Range: Auto
- Origin: Mainland China
Package includes:
- 1 x Oxygen Sensor
Warnings / Reminders
- Please use the vehicle fitment information provided in the listing to confirm compatibility with your car.
- If you’re unsure which item fits your vehicle, send the Part Number or a photo to confirm before ordering.
Languages supported: Not specified for this product.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
At intercyprus.com since 2002 — trusted for quality and reliability.