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Item #:
35249693
234-4260 Oxygen Sensor Downstream O2 Sensor 2 for Lexus ES350 GX460 GX470 LX470 LX570, Toyota Land Cruiser Solara Camry Avalon Venza Tacoma FJ
Item #:
35249693
SCR 449
Price Details
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Order now and get it around Wednesday, July 08
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What Stands Out
Precision Fit
Designed specifically for Lexus and Toyota models, ensuring seamless installation and optimal performance, reducing the risk of malfunction and enhancing engine efficiency.
Durable Build
Constructed with high-quality materials, this oxygen sensor offers longevity and reliability, making it an excellent choice for maintaining your vehicle's emission systems under challenging conditions.
Enhanced Performance
Improves fuel efficiency and reduces emissions, contributing to a cleaner environment while saving drivers money at the pump, providing both economic and ecological benefits.
Product Details
- Automotive-leader 234-4260 Oxygen Sensor Downstream O2 Sensor 2
- Direct fit application for various Lexus and Toyota models
- Placement on vehicle: downstream/rear
- 4-wire sensor with wire harness length of 9.45 inches
- High-quality aftermarket oxygen sensor with temperature and abrasion resistant materials
- Meets professional specifications and reduces harmful emissions
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Lexus Owners
Owners of Lexus models mentioned will benefit from improved emissions control and vehicle performance.
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Toyota Enthusiasts
Toyota users looking to replace faulty oxygen sensors for better fuel efficiency and reduced emissions.
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DIY Mechanics
Home mechanics wanting an affordable, easy-to-install solution for vehicle diagnostics and sensor replacements.
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Non-Toyota Cars
Users with vehicles outside the listed Toyota/Lexus models won't find this sensor compatible or useful.
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Professional Shops
Automotive professionals may require higher-end sensors than this budget-friendly option for thorough diagnostics.
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Performance Modifiers
Individuals modifying vehicles for performance may need specialized sensors beyond standard OEM replacements.
Product Description
234-4260 Oxygen Sensor Downstream O2 Sensor 2 for Lexus ES350 GX460 GX470 LX470 LX570, Toyota Land Cruiser Solara Camry Avalon Venza Tacoma FJ Cruiser 4Runner Sequoia Tundra
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Customer Questions & Answers
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Question:
What is the function of the 234-4260 Oxygen Sensor Downstream O2 Sensor 2?
Answer: The 234-4260 Oxygen Sensor is crucial for monitoring the level of oxygen in the exhaust gases of your vehicle. Its primary function is to provide data to the Engine Control Unit (ECU) to optimize the air-fuel mixture for combustion. This enhances engine performance and reduces emissions. For instance, in Lexus and Toyota models, a properly functioning oxygen sensor ensures better fuel efficiency and reduced harmful emissions, contributing to a cleaner environment. -
Question:
Which vehicles are compatible with the 234-4260 Oxygen Sensor?
Answer: This oxygen sensor is compatible with a variety of Lexus and Toyota models, including the Lexus ES350, GX460, GX470, LX470, LX570, and several versions of the Toyota Land Cruiser, Solara, Camry, Avalon, Venza, Tacoma, and FJ Cruiser. It's essential to ensure compatibility based on your vehicle’s model and engine type, as this sensor is specifically designed for downstream applications, often found after the catalytic converter. -
Question:
How will I know if the oxygen sensor needs replacement?
Answer: Signs that your oxygen sensor might require replacement include poor fuel economy, sluggish engine performance, or the illumination of the check engine light. A diagnostic tool can reveal specific trouble codes indicating oxygen sensor malfunctions. Addressing these issues promptly with the 234-4260 sensor can restore optimal engine performance and efficiency, ensuring your vehicle runs smoothly and responsively. -
Question:
Can I install the 234-4260 Oxygen Sensor myself?
Answer: While it's possible to install the 234-4260 Oxygen Sensor yourself if you have basic mechanical skills, it requires specific tools and knowledge regarding your vehicle's exhaust system. The installation typically involves lifting the vehicle to access the sensor location and using a wrench for removal and replacement. If you’re not confident in your skills, seeking professional assistance ensures proper installation and functionality. -
Question:
What are the benefits of using the 234-4260 Oxygen Sensor?
Answer: Using the 234-4260 Oxygen Sensor can lead to improved fuel efficiency, better engine performance, and fewer emissions. By ensuring that the engine is running at optimal air-fuel ratios, this sensor helps maintain your vehicle's overall health. For example, a functioning oxygen sensor can prevent excess fuel consumption, allowing you to enjoy longer drives without frequent stops at the fuel pump, while also helping to pass emissions tests. -
Question:
Is the 234-4260 Oxygen Sensor compatible with aftermarket parts?
Answer: Yes, the 234-4260 Oxygen Sensor can work alongside aftermarket exhaust systems or catalytic converters, provided they are designed to fit your specific vehicle models. However, it's important to verify compatibility, as some aftermarket components may have different specifications. This sensor is designed to integrate seamlessly into your vehicle’s emissions system, thus maintaining optimal performance and ensuring compliance with environmental standards. -
Question:
What should I do if the check engine light is on after replacing the sensor?
Answer: If the check engine light remains illuminated after replacing the 234-4260 Oxygen Sensor, it could indicate that there is another underlying issue within the vehicle's emissions system or a malfunctioning component elsewhere. It is advisable to run a diagnostic test to identify any additional trouble codes. This ensures that you can address any further concerns accurately, rather than just replacing parts arbitrarily. -
Question:
How does the 234-4260 Oxygen Sensor impact emissions?
Answer: The 234-4260 Oxygen Sensor plays a vital role in controlling vehicle emissions by ensuring that the air-fuel mixture is balanced. A correctly functioning sensor minimizes harmful exhaust emissions by providing accurate data to the ECU. This is particularly important in encroaching environmental regulations and efforts to reduce pollution. By allowing precise adjustments in fuel delivery, the sensor helps your vehicle remain eco-friendly. -
Question:
What are some signs of a faulty oxygen sensor?
Answer: Common signs of a faulty oxygen sensor include poor fuel economy, difficulty starting the engine, or engine misfires. You may also notice a rough idle or decreased acceleration performance. Regularly monitoring your vehicle's performance can help you identify these signs early, promoting timely replacement with a 234-4260 sensor to maintain optimal engine function and efficiency. -
Question:
Where can I buy the 234-4260 Oxygen Sensor?
Answer: You can purchase the 234-4260 Oxygen Sensor at Ubuy, which offers a wide range of automotive parts and components suitable for various Lexus and Toyota models. Ubuy provides a convenient platform for finding and acquiring high-quality auto parts, ensuring you have reliable components for your vehicle maintenance needs.
Automotive-leader Oxygen Editorial Review
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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SCR 449
Order now and get it around Wednesday, July 08
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- Brand new high quality aftermarket oxygen sensor
- Made with temperature and abrasion resistant materials
- Meets professional specifications as OEM standard
- Features laser weld and Viton sealing system
- Reduces CO2 and other harmful emissions
- Prolongs the life of expensive catalytic converters