QIJIAUTO Downstream O2 Sensor for Nissan Pathfinder/Altima/Quest/370Z/Murano & Infiniti (OE 226A01KC0A)
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Description
xEnhance your exhaust sensor system with the QIJIAUTO downstream O2 sensor
This downstream oxygen sensor is designed to monitor exhaust gas composition after the catalytic converter and feed data to your engine control unit. While results can vary by vehicle and driving style, drivers often notice smoother operation, steadier idle, and potential improvements in throttle response as the system interprets exhaust signals with greater clarity.
Built to align with OEM standards, the sensor carries OE numbers 226A01KC0A and 234-9124 for reliable fitment. A durable protective layer guards the sensor during handling and installation, and a silver alloy joint supports a secure connection. The heated 4‑wire design helps the sensor stabilize readings quickly after cold starts, supporting consistent performance across a broad range of temperatures.
Key benefits at a glance
- OEM-aligned fit: precision-engineered to match OE numbers for easy, confident installation.
- Durable construction: protective coating extends sensor longevity during service and use.
- Secure connections: silver alloy joint simplifies installation and reduces mounting issues.
- Heated performance: 4-wire design improves fast sensor response in cold conditions.
- Drive-ready potential: smoother acceleration and steadier engine behavior may follow regular use.
The part supports Nissan and INFINITI models including Pathfinder (2013-2015), Altima (2013-2018), Quest (2012-2015), 370Z (2014-2020), Murano, and INFINITI JX35/Q40/Q50/Q70/QX50, with Bank 1 and Bank 2 sensors available. Before purchasing, verify the part number and engine configuration match your vehicle (for example, O2 sensor bank 1 sensor 2). If you’re unsure, our team can help confirm fitment.
Real-world usage and care tips
- Threaded mount and female connector support a straightforward installation with reduced risk of cross-threading.
- Handle the sensor gently to protect the protective layer and electrical connectors.
- After installation, perform a quick system check to ensure stable sensor readings and wiring integrity.
In everyday driving, this sensor is a practical upgrade for vehicles that rely on precise exhaust monitoring. While not a guaranteed fix for every diagnostic code, accurate downstream sensor data can help the ECU respond more effectively to engine conditions, potentially contributing to smoother operation and more consistent performance over time.
FAQ
Q: Which vehicles are compatible with the QIJIAUTO downstream O2 sensor?
A: Fits Nissan Pathfinder (2013-2015), Altima (2013-2018), Quest (2012-2015), 370Z (2014-2020), Murano, and INFINITI JX35/Q40/Q50/Q70/QX50; Bank 1 and Bank 2 sensors.
Q: What OEM specifications does the sensor meet?
A: Engineered to OEM specs OE# 226A01KC0A and 234-9124 for reliable fit and performance.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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