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Item #:
662133
Denso Oxygen (O2) Sensor - 234-4621 (Fits Select Years of Acura: CL/EL/NSX/TL and Honda: Accord/Civic/Prelude Vehicles)
Item #:
662133
BHD 19
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Order now and get it around Monday, July 27
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Denso Oxygen Sensor is designed to detect the amount of oxygen in the exhaust stream.
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What Stands Out
High Precision
The Denso 234-4621 oxygen sensor provides accurate readings, ensuring optimal fuel efficiency and reduced emissions, making it an ideal choice for environmentally conscious drivers.
Easy Installation
Designed for straightforward installation, this oxygen sensor fits seamlessly into a variety of vehicles, allowing for quick replacements without the need for special tools, saving time and labor costs.
Durable Design
Constructed with high-quality materials, the Denso oxygen sensor delivers exceptional durability and longevity, outperforming competitors by maintaining performance over extended periods and harsh driving conditions.
Product Details
| Item Weight | 0.4 lbs (180 grams) |
Who Should Buy?
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Replacement Parts
Ideal for car owners needing a reliable replacement oxygen sensor to restore vehicle performance and efficiency.
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DIY Mechanics
Perfect for individuals confident in their mechanical skills, who aim to conduct their own vehicle repairs.
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Fuel Efficiency Seekers
Beneficial for drivers concerned about gas mileage and engine performance, as it optimizes fuel consumption.
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Professional Mechanics
Less ideal for workshop professionals seeking highly specialized or advanced diagnostic tools for complex vehicle systems.
Product Description
Denso Oxygen (O2) Sensor - 234-4621 (Fits Select Years of Acura: CL/EL/NSX/TL and Honda: Accord/Civic/Prelude Vehicles)
About This Item
Introducing the Denso 234-4621 Oxygen Sensor - the perfect solution for detecting the amount of oxygen in your vehicle's exhaust stream. Crafted from high-quality stainless steel, porous polytetrafluoroethylene, fluorine rubber, aluminum oxide, high-grade platinum, and ceramics, this oxygen sensor is built to last. It features a double protection layer, an aluminum oxide trap layer, a porous PTFE filter, and a stainless steel housing, making it highly durable and resistant to wear and tear.
Engineered with precision to meet OE standards, the Denso 234-4621 Oxygen Sensor guarantees reliable performance and complete accuracy. It ensures that your vehicle's engine operates at peak efficiency, reducing harmful emissions and maximizing fuel economy. Installing this sensor is a breeze, thanks to its easy installation process.
With the Denso 234-4621 Oxygen Sensor, you can count on longevity and exceptional performance. Upgrade your vehicle's oxygen detection capabilities with the Denso 234-4621 Oxygen Sensor. Order yours today to experience the difference in quality and accuracy.
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Product Buying Guide
The Denso 234-4621 Oxygen Sensor is a high-quality automotive component designed to accurately detect the amount of oxygen in the exhaust system. Manufactured with precision to meet OE standards, this sensor is constructed from premium materials and features advanced technology for reliable performance. Its easy installation makes it a convenient choice for vehicle owners seeking dependable oxygen sensing.
Key Features
- Detects oxygen levels accurately
- Constructed from high-quality materials for durability
- Designed for easy and convenient installation
Usage Scenarios
- Suitable for a wide range of vehicle models
- Ideal for periodic replacement during vehicle maintenance
Usage Scenarios
- Bosch 15717 Oxygen Sensor
- Walker Products Oxygen Sensor
Some User Review
- Easy to install and works accurately to maintain optimal engine performance.
- Highly durable construction and compatible with various vehicle models.
Competitors
- Competitively priced within the market range
- Good value for the features and quality offered
Buying Considerations
- Ensure compatibility with your vehicle model before purchase
- Consider the replacement schedule recommended for your vehicle
Conclusion
The Denso 234-4621 Oxygen Sensor is a reliable and accurate component that offers easy installation and durable construction. With its competitive pricing and positive user reviews, it presents good value for vehicle owners looking for a dependable oxygen sensor.
View LessThe Denso 234-4621 Oxygen Sensor is a high-quality automotive component designed to accurately detect the amount of oxygen in the exhaust system. Manufactured with precision to meet OE standards, this sensor is constructed from premium materials and features advanced technology for reliable performance. Its easy installation makes it a convenient choice for vehicle owners seeking dependable oxygen sensing. Continue Reading
Customer Questions & Answers
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Question:
What is the function of the Denso 234-4621 Oxygen Sensor?
Answer: The Denso 234-4621 Oxygen Sensor plays a crucial role in monitoring the level of oxygen in your vehicle's exhaust gases. It sends real-time data to the engine control unit (ECU), which adjusts the air-fuel mixture for optimal combustion. This ensures that your engine runs efficiently and meets emission standards. Using a high-quality oxygen sensor like the Denso 234-4621 can enhance engine performance, fuel efficiency, and reduce harmful emissions. -
Question:
What vehicles are compatible with the Denso 234-4621 Oxygen Sensor?
Answer: The Denso 234-4621 Oxygen Sensor is compatible with a wide range of vehicles, primarily including various models from manufacturers like Nissan and Infiniti. To ensure compatibility, always check your vehicle’s specifications or consult your owner's manual. This sensor provides precise data for optimal engine management, making it suitable for maintaining performance in sedans, SUVs, and trucks alike. -
Question:
How do you know if you need to replace the Denso 234-4621 Oxygen Sensor?
Answer: Signs that indicate you may need to replace the Denso 234-4621 Oxygen Sensor include a check engine light activation, poor fuel economy, and increased emissions. Additionally, you might experience rough idling or stalling. Regularly checking your vehicle's performance and conducting diagnostic tests can help identify oxygen sensor issues, ensuring your vehicle runs smoothly and efficiently. -
Question:
Can I install the Denso 234-4621 Oxygen Sensor myself?
Answer: Yes, installing the Denso 234-4621 Oxygen Sensor can be a DIY project for those comfortable with basic automotive tasks. The installation generally involves locating the sensor, disconnecting the battery, removing the old sensor, and installing the new one. However, it's essential to have the proper tools and follow the vehicle's service manual for correct procedures. For optimal performance, ensure all connections are tight and do a system check post-installation. -
Question:
What are the benefits of using a Denso Oxygen Sensor over other brands?
Answer: The Denso Oxygen Sensor is known for its precision and durability, often yielding better performance compared to other brands. Denso utilizes advanced manufacturing processes and quality materials, ensuring high sensitivity and quick response times to changes in exhaust gas composition. These features lead to improved fuel efficiency, lower emissions, and enhanced overall engine performance, making the Denso 234-4621 a preferred choice for many automotive professionals. -
Question:
What constitutes a faulty Denso 234-4621 Oxygen Sensor?
Answer: A faulty Denso 234-4621 Oxygen Sensor can exhibit several symptoms: erratic fuel mixture adjustments, masked by rough engine idle or stalling, and incorrect readings that can trigger the check engine light. Additionally, performance issues such as decreased acceleration or reduced gas mileage can indicate sensor failure. Regular diagnostics can help avoid costly repairs and ensure your vehicle's emission systems are operating effectively. -
Question:
Is the Denso 234-4621 Oxygen Sensor suitable for high-performance engines?
Answer: Yes, the Denso 234-4621 Oxygen Sensor can be suitable for high-performance engines. Its advanced sensing capabilities allow for accurate air-fuel mixture adjustments, which are essential for maintaining engine performance under heavy loads or during spirited driving. Whether in a tuned vehicle or a race car, utilizing a high-quality sensor helps ensure the engine operates efficiently while optimizing fuel delivery for peak performance. -
Question:
How does the Denso 234-4621 compare to universal oxygen sensors?
Answer: The Denso 234-4621 is designed specifically for particular vehicle models, ensuring compatibility and optimal performance, unlike universal oxygen sensors that may require additional modifications for installation. Using a model-specific sensor means you benefit from precise fitment and calibration, reducing the risk of errors and enhancing operational efficiency. This results in better fuel management and overall vehicle performance. -
Question:
What maintenance is required for the Denso 234-4621 Oxygen Sensor?
Answer: While the Denso 234-4621 Oxygen Sensor itself requires minimal maintenance, ensuring that your vehicle's exhaust system is clean can prolong its lifespan. Regularly inspecting for leaks or damages and keeping the exhaust system free of carbon buildup helps maintain sensor accuracy. Additionally, incorporating routine engine diagnostics can provide early detection of potential issues, ensuring long-term reliability and performance. -
Question:
Where can I buy Denso 234-4621 Oxygen Sensor in Bahrain?
Answer: You can purchase the Denso 234-4621 Oxygen Sensor in Bahrain through Ubuy. Ubuy offers a range of automotive parts, including the Denso oxygen sensor, with reliable customer service and easy navigation.
Denso Oxygen Editorial Review
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Mohammad
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“Excellent quality and very fast delivery, I really appreciate your service, when you work good I will appreciate that, I am very satisfied, thank you”
13 June 2026 · via Trustpilot
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Maryam
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“The order arrived fast and in perfect condition”
2 June 2026 · via Trustpilot
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Mohd
Verified buyer
“Firstly the team who are very positive in response to any correction if something wrong. Secondly the quality and selection is exactly on what I ordered and which is perfect. Finally the time of delivery is very sufficient which made me comfortable. Overall is excellent.”
26 Feb 2026 · via Trustpilot
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Khaled
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“Good quality of product, delivered in 2 weeks. I thought it would take more time.”
21 Feb 2026 · via Trustpilot
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“Everything was fine. You can order from multiple stores or countries—just be patient with the shipping. Given their business model, this was my first order from them. Thank you, Ubuy.”
20 Feb 2026 · via Trustpilot
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