OE Quality
60-Day Returns

Denso 234-5010 Air / Fuel Ratio Sensor - Upstream
Reliable Air/Fuel Ratio Sensor for Acura, Honda, and Saturn Vehicles
The Denso OE Style 234-5010 air/fuel ratio sensor is designed specifically for select Acura, Honda, and Saturn models. This heated sensor ensures accurate monitoring of the air-fuel mixture, helping maintain optimal engine performance and emissions control.
- Heated sensor type for faster response times
- Specific fit for Acura Accord, MDX, RL, TL; Honda Odyssey, Pilot, Ridgeline; Saturn Vue
- 11.50-inch wiring harness length for precise installation
- Five-wire configuration with male connector
- Thread diameter of 0.711 inches for secure mounting
- Regular grade type for standard OEM replacement
About the Denso OE Style Product Line
The OE Style line from Denso offers direct-fit replacement parts engineered to meet original equipment specifications. The 234-5010 air/fuel ratio sensor in this line provides reliable performance and compatibility, ensuring it integrates seamlessly with the vehicle’s existing systems without modification.
Detailed Product Description
This Denso air/fuel ratio sensor features a heated element that allows it to reach operating temperature quickly, improving sensor accuracy and reducing emissions during cold starts. The 11.50-inch wiring harness length and five-wire design with a male connector ensure proper electrical connections tailored to the specific vehicle models listed. The 0.711-inch thread diameter provides a secure and precise fit, minimizing the risk of leaks or sensor misalignment. Designed as a regular grade replacement, this sensor meets the functional requirements for emission control systems in Acura, Honda, and Saturn vehicles.
Common Applications and Issues Addressed
- Helps correct inaccurate air/fuel mixture readings
- Reduces engine hesitation and rough idling
- Improves fuel efficiency by optimizing combustion
- Prevents check engine light triggers related to sensor faults
- Supports proper emissions control to meet regulatory standards
Installation Notes and Tips
Ensure the vehicle is cool before installation to avoid burns. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct tools to remove the old sensor and install the new one with the specified 0.711-inch thread diameter. Verify the wiring harness length and connector type match the vehicle’s harness to ensure proper fitment. After installation, clear any diagnostic trouble codes and perform a test drive to confirm sensor operation.
Quality Assurance and Warranty
Denso OE Style sensors are manufactured to meet strict quality standards and are designed for durability and reliable performance. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.
| Brand | Denso |
|---|---|
| Part Number | 234-5010 |
| Position | OE Style, Upstream |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 5 |
| Wiring Harness Length | 11.50 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2008 | Acura | RL | Upstream | OE Style |
| 2008 | Acura | TL | Upstream | OE Style |
| 2008 | Honda | Pilot | Upstream | OE Style |
| 2008 | Honda | Ridgeline | Upstream | OE Style |
| 2007 | Acura | RL | Upstream | OE Style |
| 2007 | Acura | TL | Upstream | OE Style |
| 2007 | Honda | Accord | Upstream | OE Style |
| 2007 | Honda | Pilot | Upstream | OE Style |
| 2007 | Honda | Ridgeline | Upstream | OE Style |
| 2007 | Saturn | Vue | Upstream | OE Style |
| 2006 | Acura | MDX | Upstream | OE Style |
| 2006 | Acura | RL | Upstream | OE Style |
| 2006 | Acura | TL | Upstream | OE Style |
| 2006 | Honda | Accord | Upstream | OE Style |
| 2006 | Honda | Odyssey | Upstream | OE Style |
| 2006 | Honda | Pilot | Upstream | OE Style |
| 2006 | Honda | Ridgeline | Upstream | OE Style |
| 2006 | Saturn | Vue | Upstream | OE Style |
| 2005 | Acura | MDX | Upstream | OE Style |
| 2005 | Acura | RL | Upstream | OE Style |
| 2005 | Acura | TL | Upstream | OE Style |
| 2005 | Honda | Accord | Upstream | OE Style |
| 2005 | Honda | Odyssey | Upstream | OE Style |
| 2005 | Honda | Pilot | Upstream | OE Style |
| 2005 | Saturn | Vue | Upstream | OE Style |
| 2004 | Acura | MDX | Upstream | OE Style |
| 2004 | Acura | TL | Upstream | OE Style |
| 2004 | Honda | Accord | Upstream | OE Style |
| 2004 | Saturn | Vue | Upstream | OE Style |
| 2003 | Acura | MDX | Upstream | OE Style |
| 2003 | Honda | Accord | Upstream | OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.