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234-4521 Downstream Oxygen O2 Sensor for 2007-2014 Lexus GS350 2006-2015 IS250 IS350 2007-2011 GS450h 2008-2014 is F 89465-30730
Excellent service: You can get a free replacement in the 6 Months; if the product has any problems.
234-4521 Downstream Oxygen O2 Sensor for 2007-2014 Lexus GS350 2006-2015 IS250 IS350 2007-2011 GS450h 2008-2014 is F 89465-30730
Item #: 95123362

234-4521 Downstream Oxygen O2 Sensor for 2007-2014 Lexus GS350 2006-2015 IS250 IS350 2007-2011 GS450h 2008-2014 is F 89465-30730

Item #: 95123362

XCD 147

Price Details

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*All items will import from US

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Excellent service: You can get a free replacement in the 6 Months; if the product has any problems.
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What Stands Out

Precision Fit
Designed specifically for 2007-2014 Lexus GS350 and other models, ensuring perfect integration and optimal performance without the need for modifications.
Enhanced Durability
Constructed with high-quality materials to withstand extreme conditions, offering longevity and reliability compared to generic sensors available in the market.
Improved Emissions Control
Optimizes fuel efficiency and reduces harmful emissions, addressing environmental concerns while enhancing vehicle performance for a cleaner drive.

Product Details

Shop 234-4521 Downstream Oxygen O2 Sensor for 2007-2014 Lexus GS350 2006-2015 IS250 IS350 2007-2011 GS450h 2008-2014 is F 89465-30730 online at a best price in Saint Lucia. B07Q1ZZ2ZN
Country of OriginThis item will be imported from US
Item Weight1 lbs (450 grams)
What is in the box234-4521 Downstream Oxygen O2... For more details, please check description/product details

Who Should Buy?

Suitable For
  • Lexus Owners

    Ideal for Lexus vehicle owners needing to replace their O2 sensor for better engine performance and efficiency.

  • DIY Mechanics

    Perfect for individuals who perform their own vehicle maintenance and have basic knowledge of sensor replacements.

  • Fuel Efficiency Seekers

    Great for those looking to improve their vehicle's fuel efficiency by ensuring accurate oxygen supply readings.

Not Suitable For
  • Non-Lexus Vehicles

    Not suitable for vehicles outside the specific Lexus models listed, as compatibility is limited.

  • Professional Garages

    Large automotive shops may prefer using OEM parts for warranty assurance and reliability over aftermarket components.

  • Budget-Conscious Buyers

    Users looking for a low-cost solution might find this product less desirable than cheaper alternatives.

Product Description

234-4521 Downstream Oxygen O2 Sensor for 2007-2014 Lexus GS350 2006-2015 IS250 IS350 2007-2011 GS450h 2008-2014 is F 89465-30730

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the 234-4521 Downstream Oxygen O2 Sensor?

    Answer: The 234-4521 Downstream Oxygen O2 Sensor plays a crucial role in monitoring and managing your vehicle's emissions. It measures the level of oxygen in the exhaust gases, which helps the engine control unit (ECU) adjust the air-fuel mixture for optimal combustion. This ensures better fuel efficiency and reduces harmful emissions, contributing to environmental protection.
  • Question: Is the 234-4521 sensor compatible with multiple vehicle models?

    Answer: Yes, the 234-4521 sensor is compatible with several Lexus models, including the GS350 from 2007 to 2014, IS250, and IS350 from 2006 to 2015, as well as the GS450h from 2007 to 2011, and the IS F from 2008 to 2014. This makes it a versatile choice if you own a Lexus vehicle within this range, providing consistency in performance across different models.
  • Question: How do I know if my Oxygen O2 sensor needs replacement?

    Answer: Signs that your Oxygen O2 sensor may need replacement include a check engine light, decreased fuel efficiency, or rough engine performance. If you notice issues such as poor acceleration or increased emissions during vehicle inspections, it’s wise to check the sensor. Replacement can help restore optimal vehicle performance and efficiency.
  • Question: What are the common symptoms of a failing Downstream O2 sensor?

    Answer: Common symptoms of a failing Downstream O2 sensor include poor fuel economy, acceleration issues, engine misfires, or emissions failure during testing. Additionally, the vehicle may produce irregular exhaust smells. Addressing these symptoms by replacing the sensor can lead to better engine performance and fuel usage.
  • Question: Can I install the Oxygen O2 sensor myself?

    Answer: Yes, installing the 234-4521 Downstream Oxygen O2 Sensor can often be a DIY task if you have basic automotive knowledge and tools. Typically, it involves locating the sensor in the exhaust system, disconnecting the old sensor, and screwing in the new one. This can save labor costs and provide a sense of accomplishment.
  • Question: What tools do I need to replace the 234-4521 O2 sensor?

    Answer: To replace the 234-4521 O2 sensor, you typically need a wrench or socket set, a ratchet, and possibly a special O2 sensor socket for easier access. Having a penetrating oil can also help loosen any rusted or stuck sensors. Ensure you have safety gear such as gloves and goggles for protection.
  • Question: Does the 234-4521 fit both upstream and downstream positions?

    Answer: The 234-4521 is specifically designed for downstream placement in the exhaust system and may not be suitable for upstream use. Each sensor's function differs: downstream sensors monitor catalytic converter performance, while upstream sensors measure air-fuel mixtures. Verification of fitment is key before installation.
  • Question: What is the lifespan of an Oxygen O2 sensor?

    Answer: The lifespan of an Oxygen O2 sensor can range from approximately 60,000 to 100,000 miles, depending on driving conditions, vehicle maintenance, and the quality of the sensor. Regular inspections and timely replacements can help ensure your vehicle operates efficiently and meets emissions standards.
  • Question: Where can I buy the 234-4521 Downstream Oxygen O2 Sensor in Saint Lucia?

    Answer: You can buy the 234-4521 Downstream Oxygen O2 Sensor at Ubuy in Saint Lucia. Ubuy offers a wide range of automotive parts, ensuring you have access to quality components for your Lexis models, making it easier to find exactly what you need for your vehicle.
  • Question: What benefits does a quality O2 sensor provide?

    Answer: A quality O2 sensor like the 234-4521 helps maintain engine efficiency by ensuring the correct air-fuel mixture, which in turn reduces emissions and improves fuel economy. It contributes to overall engine health, preventing overheating and damage from unnecessary load on the engine, resulting in a smoother driving experience.

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