TAUTOY Oxygen Sensor Kit for Honda Accord 2003-2007 2.4L – Upstream 234-9040 & Downstream 234-4797 (2PCS)
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Description
xTAUTOY Upstream & Downstream Oxygen Sensor Kit for Honda Accord 2003-2007 2.4L
Upgrade your Honda Accord with TAUTOY’s complete O2 sensor kit, designed for 2003–2007 models equipped with the 2.4L engine. This two-piece set replaces key OEM sensors (234-9040 upstream and 234-4797 downstream) and aligns with a range of compatible part numbers, including 13704 and 2344363. Built to deliver dependable signal quality, the kit helps maintain a steady air‑fuel balance and supports smoother engine response in daily driving.
Each sensor is constructed with a double laser‑welded stainless steel body, chosen for durability in challenging driving conditions. The design emphasizes steady, high‑precision readings of oxygen partial pressure, helping your vehicle’s engine management system make informed adjustments without guesswork. While individual results vary, customers often notice more consistent idle, refined throttle response, and potential fuel‑trim stability after installation.
What’s Included
- 1 x Upstream Oxygen Sensor (234-9040)
- 1 x Downstream Oxygen Sensor (234-4797)
Key Benefits and Features
- OEM-part compatibility that mirrors common Honda Accord replacement numbers for reliable fitment
- Premium stainless steel body and robust welds designed for long life in varied driving conditions
- High‑precision sensing supports stable air‑fuel ratio adjustments and potentially smoother driving dynamics
- 2‑sensor kit provides a complete upstream and downstream replacement option for balanced exhaust readings
- Backed by a 1‑year warranty, offering peace of mind alongside performance potential
Why Choose TAUTOY
TAUTOY pairs durable materials with engineering that prioritizes precise sensing. The oxygen sensors are built to deliver reliable data to your engine control unit, enabling informed adjustments that may contribute to efficient operation and consistent emissions behavior. The kit’s two-sensor configuration helps ensure both sides of the exhaust stream are monitored.
Real‑World Use Scenarios
Whether you’re restoring an older Accord or maintaining a daily driver, this kit aims to support steady emissions readings and dependable performance. Expect confident starts, especially after a sensor replacement, and a reduction in hesitation or rough transitions when the engine transitions between idle and cruise. Remember, performance gains can vary based on vehicle condition and driving habits.
Compatibility and Installation Tips
- Designed for Honda Accord 2003–2007 with 2.4L engines; check your vehicle’s OEM numbers for best fit
- Ensure proper connector alignment and sealed connections to prevent moisture ingress
- Factory‑recommended safety practices apply; disconnect the battery before service
FAQ
Q: What is included in this TAUTOY O2 sensor kit for Honda Accord?
A: The kit includes one upstream 234-9040 and one downstream 234-4797 oxygen sensor for 2003-2007 Honda Accord 2.4L.
Q: Will TAUTOY O2 sensors improve my car's performance?
A: Replacing worn sensors may help maintain optimal air-fuel balance and could improve idle stability and responsiveness.
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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