- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Sensors /
- Oxygen /
- Denso Oxygen (O2) Sensor - 234-4138 (Fits Sel...
0 ratings
Item #:
8311408
Denso Oxygen (O2) Sensor - 234-4138 (Fits Select Years of Lexus: GS430/GX470/LS430/LX470/SC430 and Toyota: 4Runner/FJ Cruiser/Land Cruiser Vehicles)
Item #:
8311408
SAR 203
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, July 28
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.
Our Top Logistics Partners
The Denso Oxygen Sensor is a durable and reliable sensor that detects oxygen levels in the exhaust stream. Its high-quality construction ensures longevity and accuracy.
Buy Now Pay Later
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Precision Fit
Designed specifically for select Lexus and Toyota models, ensuring a perfect fit and seamless integration, which enhances vehicle performance and maintains optimal fuel efficiency.
Durable Build
Manufactured with high-quality materials for maximum durability and longevity, reducing the need for frequent replacements and ensuring consistent engine performance over time.
Improved Emissions Control
Helps in effectively monitoring and controlling emissions, leading to reduced pollution levels while ensuring compliance with environmental standards, thus protecting both the vehicle and the environment.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Toyota Owners
Ideal for Toyota vehicle owners needing a replacement O2 sensor for improved engine performance and fuel efficiency.
-
DIY Mechanics
Perfect for DIY mechanics looking for a reliable and easy-to-install oxygen sensor for their vehicles.
-
Emission Testing
Beneficial for users preparing their vehicles for emissions testing, ensuring compliance and optimal function.
-
Non-Compatible Models
Not suitable for vehicles outside the specified models, leading to poor fit and functionality issues.
Product Description
Denso Oxygen (O2) Sensor - 234-4138 (Fits Select Years of Lexus: GS430/GX470/LS430/LX470/SC430 and Toyota: 4Runner/FJ Cruiser/Land Cruiser Vehicles)
About This Item
Introducing the Denso 234-4138 Oxygen Sensor - the ultimate solution to monitoring oxygen levels in your vehicle's exhaust stream. Constructed with a blend of high-quality materials such as stainless steel, fluorine rubber, aluminum oxide, platinum, and ceramics, this oxygen sensor is built to withstand the toughest conditions. Equipped with a double protection layer, an aluminum oxide trap layer, a porous PTFE filter, and a stainless steel housing, it offers unmatched durability and reliability. Designed to meet OE standards, the Denso 234-4138 Oxygen Sensor ensures accurate and precise readings, making it a trusty companion for your vehicle's engine management system.
With its easy installation process, you can have peace of mind knowing that it will seamlessly integrate into your vehicle without any hassle. Not only does this oxygen sensor deliver unparalleled performance, but it also guarantees longevity. Engineered with the utmost precision, it is built to last and provide consistent performance for miles to come. You can trust the Denso 234-4138 Oxygen Sensor to keep your vehicle running smoothly and efficiently. Don't compromise on the quality of your vehicle's oxygen sensor.
Choose the Denso 234-4138 Oxygen Sensor for its reliability, accuracy, and longevity. Upgrade your vehicle's exhaust monitoring system today and experience a difference in performance and fuel efficiency. Trust Denso, a name known for its commitment to excellence in automotive technology.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the function of the Denso 234-4138 Oxygen Sensor?
Answer: The Denso 234-4138 Oxygen Sensor primarily monitors the level of oxygen in the exhaust gases of your vehicle. This information is vital for the engine management system to adjust the fuel-to-air ratio, ensuring optimal combustion and improving fuel efficiency. A well-functioning oxygen sensor helps in reducing emissions and maintaining engine health. -
Question:
Which vehicles are compatible with the Denso 234-4138 Oxygen Sensor?
Answer: The Denso 234-4138 Oxygen Sensor is designed to fit a wide range of vehicles including popular brands such as Toyota, Honda, Subaru, and more. It is essential to check your vehicle's make and model specifications to ensure compatibility, as this sensor's design can vary based on engine type and year. Ensuring the right fit leads to better performance and longevity of the car's fuel system. -
Question:
How do I know if my Denso 234-4138 Oxygen Sensor needs replacement?
Answer: Signs that your Denso 234-4138 Oxygen Sensor may need replacement include poor fuel economy, increased emissions, or check engine light activation. If you experience rough idling, or your vehicle struggles to accelerate, these could also indicate sensor failure. Regular diagnostic checks can help identify these issues early, ensuring your vehicle runs smoothly and efficiently. -
Question:
What is the installation process for the Denso 234-4138 Oxygen Sensor?
Answer: Installing the Denso 234-4138 Oxygen Sensor typically involves locating the sensor in your vehicle, disconnecting the battery, and removing the old sensor with the appropriate tools. Then, thread in the new Denso sensor and reconnect all electrical connections. This procedure is common across many models, but it's always advisable to consult your vehicle’s service manual for specific instructions to ensure proper installation. -
Question:
Can the Denso 234-4138 Oxygen Sensor improve fuel efficiency?
Answer: Yes, the Denso 234-4138 Oxygen Sensor can significantly improve fuel efficiency by accurately measuring the oxygen levels in the engine's exhaust. When this sensor is functioning optimally, it allows the engine control unit to adjust the air-fuel mixture, which leads to better combustion and less excess fuel being used. This can be particularly beneficial for drivers looking to save on fuel costs over time. -
Question:
What materials are used in the Denso 234-4138 Oxygen Sensor?
Answer: The Denso 234-4138 Oxygen Sensor is typically made from durable materials including a high-quality ceramic element and a corrosion-resistant shell. These materials are chosen for their reliability and ability to withstand harsh exhaust conditions. This durability ensures that the sensor provides accurate readings and maintains functionality over an extended period, making it a trusted choice among vehicle owners. -
Question:
Does the Denso 234-4138 Oxygen Sensor come with any special features?
Answer: The Denso 234-4138 Oxygen Sensor features an advanced design that includes a built-in heater to facilitate quicker response times, enhancing fuel efficiency and reducing pollution. Additionally, this sensor is built for precision, providing more accurate readings compared to many generic alternatives. These advanced capabilities help ensure that your vehicle operates at peak performance. -
Question:
What are the signs of a failing Oxygen Sensor?
Answer: Signs of a failing Denso 234-4138 Oxygen Sensor include a drop in fuel efficiency, unexpected engine performance issues like stalling or hesitations, and illuminated check engine lights. Additionally, you may notice increased emissions, which can lead to pollution testing failures. Recognizing these symptoms early can help you address the problem before it affects your vehicle's overall performance and longevity. -
Question:
How does the Denso 234-4138 Oxygen Sensor compare to other brands?
Answer: The Denso 234-4138 Oxygen Sensor is often regarded as a premium option compared to other brands due to its OEM design and high grade materials. Unlike many aftermarket sensors, Denso offers precise response times and reliable performance, which can lead to better fuel efficiency and fewer emissions. This makes it a preferred choice for car enthusiasts and those looking for quality in their engine components. -
Question:
Where can I buy Denso 234-4138 Oxygen Sensor in Saudi Arabia?
Answer: You can purchase the Denso 234-4138 Oxygen Sensor on Ubuy, which offers a reliable platform for buying authentic auto parts. Ubuy provides a straightforward shopping experience, highlighting specifications and compatibility for your vehicle, ensuring you choose the right product for optimal performance.
Denso Oxygen Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
AF
Anila
Verified buyer
“You can purchase through ubuy. Good experience of shopping through Ubuy.”
16 June 2026 · via Trustpilot
NA
Nora
Verified buyer
“Fast delivery, amazing products”
12 June 2026 · via Trustpilot
AB
anum
Verified buyer
“It was overall a good experience some of my products were delivered late but delivered fine.”
9 Jun 2026 · via Trustpilot
TW
The Well-Guarded
Verified buyer
“Fast delivery. Honestly, I liked the site — I just discovered it, and it’s excellent.”
8 Jun 2026 · via Trustpilot
CR
CESAR
Verified buyer
“Fast shipping, only the shipping cost was quite high. I can say UBUY can compete from other online stores to source different items you may need.”
30 May 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
SAR 203
Order now and get it around Tuesday, July 28
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
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.