- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Sensors /
- Oxygen /
- Oxygen Sensor Heated O2 Sensor Upstream & Dow...
0 ratings
Item #:
131920500
Oxygen Sensor Heated O2 Sensor Upstream & Downstream 4-Wire Air Fuel Ratio 250-24248 12565397 12563345 213-939 234-4103
Item #:
131920500
0 ratings
Write a review
Out of stock
Imported from USA store
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
Improve engine performance and fuel economy with our high-quality, ready-to-install oxygen sensor!
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
Heated Sensor
This heated oxygen sensor ensures rapid response times and precise air-fuel ratio measurements, improving fuel efficiency and reducing emissions effectively.
Wide Compatibility
Compatible with multiple models and makes, this sensor replaces several OEM parts, simplifying inventory for mechanics and ensuring easy installation and broader utility.
Durable Design
Constructed with high-quality materials, this sensor withstands extreme conditions, providing long-lasting performance and reliability that enhances vehicle longevity and minimizes replacements.
Product Details
| Item Weight | 1.2 lbs (540 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
-
Vehicle Owners
Ideal for vehicle owners experiencing poor fuel efficiency or emission issues due to faulty oxygen sensors.
-
DIY Mechanics
Great for DIY mechanics looking to replace upstream or downstream oxygen sensors without professional assistance.
-
Budget-Conscious Users
Perfect for budget-conscious users needing an affordable solution for oxygen sensor replacement with reliable performance.
-
Professional Shops
Not ideal for professional auto repair shops requiring OEM parts with guaranteed quality and brand reputation.
-
High-Performance Vehicles
May not meet the needs of high-performance vehicles requiring specialized tuning and higher-end components.
-
Older Models
Older vehicles may have compatibility issues; always check specifications to ensure proper fitment before purchase.
Product Description
Oxygen Sensor Heated O2 Sensor Upstream & Downstream 4-Wire Air Fuel Ratio 250-24248 12565397 12563345 213-939 234-4103
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the function of an oxygen sensor in a vehicle?
Answer: An oxygen sensor monitors the level of oxygen in a vehicle's exhaust gases, providing vital feedback to the engine control unit (ECU). By accurately measuring air-fuel ratios, the sensor helps optimize fuel combustion, improving engine performance and fuel efficiency. This process not only reduces harmful emissions but also prevents potential engine damage caused by incorrect fuel mixture. Implementing a high-quality oxygen sensor can enhance engine responsiveness and longevity. -
Question:
How do I know if my oxygen sensor needs to be replaced?
Answer: Signs that your oxygen sensor might need replacement include poor fuel economy, a noticeable drop in engine performance, and the illumination of the check engine light. If you experience rough idling, failing emissions tests, or increased exhaust emissions, these indicate an underperforming or faulty sensor. Regular diagnostic checks and monitoring of your vehicle's performance will help catch these issues early, allowing you to maintain optimal engine health. -
Question:
Can a faulty oxygen sensor affect my vehicle's performance?
Answer: Yes, a malfunctioning oxygen sensor can significantly impact your vehicle's performance. It can lead to incorrect air-fuel mixture adjustments by the ECU, resulting in reduced power, acceleration issues, and poor fuel economy. Moreover, prolonged sensor issues can contribute to engine damage and costly repairs. If you notice any irregular engine behavior, consider checking the status of your oxygen sensor to ensure efficient operation. -
Question:
What is the difference between upstream and downstream oxygen sensors?
Answer: Upstream oxygen sensors are located before the catalytic converter and primarily monitor the air-fuel ratio to optimize combustion, while downstream sensors are positioned after the catalytic converter to assess the efficiency of emissions reduction. The data from these sensors plays a critical role in maintaining engine performance and ensuring that the catalytic converter is functioning correctly. Understanding their roles can help in troubleshooting exhaust system issues. -
Question:
How do I install a new oxygen sensor?
Answer: Installing a new oxygen sensor involves locating the existing sensor in the exhaust system, removing it with an O2 socket, and replacing it with the new sensor. It's essential to ensure that the thread is cleaned and the new sensor is tightened to the manufacturer's specifications. Additionally, disconnect the battery for safety while doing electrical work. If you're inexperienced, having a professional mechanic perform the installation may be advisable to avoid potential issues. -
Question:
What are the common symptoms of a bad oxygen sensor?
Answer: Common symptoms of a faulty oxygen sensor include decreased fuel efficiency, rough engine performance, irregular idling, and increased exhaust emissions. Additionally, the check engine light may illuminate on your dashboard, indicating a possible oxygen sensor issue. Monitoring these signs can help in addressing performance problems swiftly, saving costs on repairs and unnecessary fuel expenses. -
Question:
Are all oxygen sensors universal or do they vary by model?
Answer: Oxygen sensors can vary by vehicle make and model, with specific part numbers typically assigned to match particular engine configurations. While some are universal and can fit a range of vehicles, it’s crucial to verify compatibility with your specific model. Using the right oxygen sensor ensures optimal performance and prevents potential damage to your vehicle. Always check part compatibility when purchasing a replacement sensor. -
Question:
What should I consider when purchasing an oxygen sensor?
Answer: When purchasing an oxygen sensor, consider the sensor's compatibility with your vehicle, its quality, and brand reputation. Opting for OEM or high-quality aftermarket sensors can ensure reliability and durability. Additionally, check for user reviews to gauge performance and ensure the sensor meets the required specifications for your engine type. This careful selection can lead to better fuel efficiency and overall vehicle performance. -
Question:
Can I drive my car with a faulty oxygen sensor?
Answer: While you may be able to drive with a faulty oxygen sensor, it's not advisable as doing so can lead to reduced performance, increased fuel consumption, and put further strain on the vehicle's engine and emission control systems. Ignoring the issue may result in more significant repairs down the line. If you're facing issues related to oxygen sensor performance, it's recommended to address them promptly to maintain optimal vehicle function. -
Question:
Where can I buy Oxygen Sensor Heated O2 Sensor Upstream & Downstream in Malta?
Answer: You can purchase the Oxygen Sensor Heated O2 Sensor Upstream & Downstream from Ubuy. Ubuy offers a wide selection of automotive parts, ensuring you find the exact sensor you need to optimize your vehicle's performance. Their platform provides a user-friendly shopping experience, making it easy to compare products, read customer reviews, and get your hands on quality automotive solutions.
IZYSS Oxygen Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“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
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.
Currently unavailable.
We don't know when or if this item will be back in stock.
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.)
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
Features & Benefits
- Compatible with a wide range of GMC, Chevrolet, and Pontiac models.
- OEM part numbers ensure a perfect match for your vehicle.
- Constructed from high-quality materials for durability.
- Enhances engine performance and fuel efficiency.
- Easy installation with no need for modifications.
- Reliable replacement to extend the life of catalytic converters.
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.