Denso 234-4011 Oxygen Sensor — OE-Quality 4-Wire Replacement for Honda and Acura
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Description
xPremium OE-Quality Oxygen Sensor Replacement
The Denso 234-4011 oxygen sensor is a narrow-band replacement designed for precise, factory-grade performance in select Acura and Honda models. It uses a four-wire wiring harness that measures 11.81 inches, providing flexible routing and a clean fit in many stock configurations. Built to the standards you expect from an OE replacement, this sensor is designed for first time fit and reliable operation in everyday driving.
Inside the sensor, Denso employs an exclusive aluminum oxide trap layer to shield the ceramic sensing element from contaminants such as silicone and lead. This protective barrier can help maintain steady sensor response over time and support consistent readings under varied driving conditions, contributing to safer engine management and smoother operation.
Key benefits you may notice
- Efficient fuel consumption through precise oxygen sensing
- Easy installation with a direct replacement design
- Constructed from high quality materials for durability
- Manufactured to meet OE standards for reliable fit and function
The sensor is specified for Acura Integra and Vigor, and for Honda Civic, Civic Del Sol, CR-V, and Prelude models listed in the product notes. The first time fit is a hallmark of this line, helping reduce installation guesswork and downtime for maintenance windows.
Compatibility and fit
- Acura Integra 1994–2001
- Acura Vigor 1992–1994
- Honda Civic 1999–2000
- Civic Del Sol 1994–1997
- CR-V 1997–2001
Real world use and expectations
In everyday driving, you might notice calmer idle and steadier throttle response as the sensor operates within its intended range. When combined with routine maintenance and a clean exhaust path, the part can support efficient fuel use and stable engine performance. These are possibilities based on typical OE-level replacement outcomes rather than guarantees.
Installation tips and care
Check vehicle compatibility before installation and handle the sensor carefully to avoid damage. Route the wiring harness away from heat sources and moving parts. The 11.81 inch harness is designed to fit common engine bays and stock connectors on the listed models.
FAQ
Q: Which vehicles are compatible with the Denso 234-4011 Oxygen Sensor?
A: Compatible with Acura Integra 1994–2001, Vigor 1992–1994; Honda Civic 1999–2000, Civic Del Sol 1994–1997, CR-V 1997–2001, Prelude 1992–1995.
Q: What are the key features of this sensor?
A: 4-wire design with an 11.81 inch harness, OE-standard precision, and an aluminum oxide trap layer to protect the sensing element.
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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