QIJIAUTO SG1861 Oxygen Sensor 2PCS for Honda Civic 2001-2005 1.7L, SG336 Heated O2 Sensor Upstream & Downstream
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Description
xOverview
The QIJIAUTO SG1861 oxygen sensor pair is a precision heated sensor kit designed to replace worn sensors in a broad range of Honda vehicles. This 2-piece set includes upstream and downstream sensors, yielding a complete replacement for the exhaust sensor pair to support consistent monitoring of oxygen content in the exhaust stream.
Built to withstand heat and exposure to exhaust gases, these sensors are designed to integrate with commonly used Honda ECU configurations. While the information reflects typical usage scenarios, actual results can vary based on your vehicle’s condition, maintenance history, and driving style.
Compatibility and Fit
- Designed to fit a wide array of Honda models from the 1990s to mid-2000s, providing both upstream and downstream sensing in a single kit.
- Cross-reference options and OE part numbers are provided to help with model verification (examples include SG336, 234-4099, 234-4363, 234-4620, 234-4092, 24243, 250-24121, SG581, 24426, 15406, ES20063).
Key Benefits
- Potential improvements in engine efficiency and smoother idle by supplying accurate oxygen readings to the ECU.
- Support for more stable engine response and potential fuel economy gains in appropriate driving conditions.
- Durable construction with heated design to help readings stay consistent in varying temperatures and driving scenarios.
What’s Included & Notes
The package contains two sensors (upstream and downstream) along with the required connectors and hardware for a straightforward replacement. After installation, some idle fluctuation may occur as the ECU relearns; this usually settles after a short drive as readings recalibrate.
Installation Tips
- Work with a cool engine and use proper torque on fittings to avoid thread damage.
- Ensure connectors click into place securely and follow vehicle-specific procedures to maximize reliability.
FAQ
Q: Is this sensor compatible with my Honda model?
A: Fits many Honda models from the 1990s to mid-2000s; verify year and engine size for a correct fit.
Q: What happens after installation and what benefits might I see?
A: Expect brief idle fluctuation as the ECU relearns; you may notice smoother operation and potential fuel efficiency improvements in suitable conditions.
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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