Oxygen Sensor Upstream Front Air Fuel Ratio for Toyota 4Runner Sequoia Tundra
Oxygen Sensor Upstream Front Air Fuel Ratio for Toyota 4Runner, Sequoia, Tundra
This upstream front oxygen sensor monitors the air-fuel ratio to help your engine achieve optimal combustion. By providing accurate lambda readings to the ECU, it supports smooth idle, stronger throttle response, better fuel efficiency, and reduced emissions. Designed to be a precise fit for Toyota 4Runner, Sequoia, and Tundra applications, it also lists compatibility with a broad select group of Lexus models, reflecting its OE-grade engineering and broad coverage.
Key features include a heated, upstream sensor configuration with a sensor type described as piezoelectric in the listing, engineered for dependable performance in varied operating conditions. Measured values feed directly into your vehicle’s engine management for reliable monitoring of exhaust gas composition. Each unit is 100% brand new, rigorously tested before shipment, and designed for a stable installation that delivers consistent results.
Origin of manufacture is Mainland China, and the product carries OEM part numbers including 234-9051, 2349051, 89467-71020, 8946771020, and 8946760020 among others, ensuring broad availability of compatible replacements. For best results, please verify fitment with your specific vehicle and refer to the listed applications. If you’re unsure about compatibility, contact us before ordering to avoid incorrect purchases. We do not refund for wrong orders when fitment is not confirmed.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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Benefits & Tips
- Restore proper air-fuel balance on affected vehicles to regain smooth idle, consistent fuel economy, and improved engine responsiveness.
- Use as a direct replacement for worn upstream sensors on supported Toyota and Lexus applications to prevent gradual performance decline and emissions issues.
- Tip: check fitment against the OEM numbers listed (234-9051, 89467-71020, 8946771020, etc.) and confirm the target vehicle's model year and engine before purchasing for an accurate match.
Product specifications
- Brand: IWOKPHD
- Application: Upstream Front Oxygen Sensor for Toyota 4Runner, Sequoia, Tundra; also listed for multiple Lexus models (GS300, GS350, GS450H, GX470, IS250, IS350, LS460, LS600H, LX470, etc.).
- Sensor Type: Piezoelectric
- Heating: Heated type
- Measuring Range: Upstream Front Probe Air Fuel Ratio Lambda O2 02
- OEM Numbers: 234-9051, 2349051, 8946760020, 8946771020, 89467-60020, 89467-71020, among others
- Origin: Mainland China
- Compatibility notes: 234-9051 / 2349051 / 2131443 / 2131483 / 2132845 / 15110 / 24560 / 24594 / 15988 / 24661 and more; see full vehicle applications below
- Warranty: 1 year Replacement Warranty
- Shipping: Ships within 2 working days after payment is confirmed
- Package contents: 1 x Oxygen Sensor
- Important: Import duties, taxes and charges are not included in item price or shipping. A fitment check is essential before ordering; incorrect orders may not be refunded.
- Warranty policy: 1 year Replacement Warranty
Package includes
- 1 x Oxygen Sensor
Warnings / reminders
- Please check the product picture and fitment before you order. If you are not sure, contact us before ordering. We will not refund for wrong orders if fitment is not verified.
- All items ship within 2 working days after payment confirmation; ensure your shipping address is correct.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
Providing quality and trusted service since 2002 at intercyprus.com