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Denso 234-9005 Air / Fuel Ratio Sensor - Upstream
| Brand | Denso 234-9005 |
|---|---|
| Position | Upstream |
| Connector Gender | Male |
| Grade Type | Regular |
| Sensor Type | Heated |
| Thread Diameter | 0.711 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 13.78 |
| Product line | OE Style |
| Fits | Honda and Acura · 11 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps maintain accurate air-fuel ratio monitoring.
Specific fit. Made for a direct, no-guess installation.
Cross-references ACDelco 213-2852, ACDelco 213-2853 and ACDelco 213-3124 for the same application. See all 25.
Denso OE Style Air/Fuel Ratio Sensor
Denso 234-9005 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Honda and Acura applications. It is engineered for exact fitment and consistent signal performance in upstream locations, including 2001-2005 Honda Civic, 2002-2004 Acura RSX, and 2002-2004 Honda CR-V.
Key Features
- Heated air/fuel ratio sensor for upstream placement
- Specific-fit design for direct replacement on listed vehicles
- 4-wire configuration with male connector
- Wiring harness length: 13.78
- Thread diameter: 0.711
- OE Style product line focused on factory-like fit and replacement accuracy
Product Details
The Denso OE Style line is built for drivers who want a replacement sensor that matches the original application closely. Part number 234-9005 is precision-built and tested to OE standards, helping ensure the right fit the first time on upstream sensor locations. This part cross-references Bosch 13680 and NTK 24665 for the same application. It is a direct-fit choice for Honda Civic, Acura RSX, and Honda CR-V models listed in the fitment data, making it a practical option when replacing a worn air/fuel ratio sensor.
Common Issues This Sensor Can Address
- Check engine light related to air/fuel ratio sensor performance
- Rough idle caused by inaccurate upstream sensor readings
- Fuel mixture control problems from a failing heated sensor
- Emissions test failures tied to sensor response issues
- Poor drivability from delayed or inconsistent exhaust feedback
Installation Notes and Tips
- Verify upstream location before installation; this part is listed for upstream use only.
- Confirm connector style, wire count, and thread diameter match the original sensor.
- Inspect the harness routing and connector condition before final installation.
- Use the vehicle’s service information for proper removal and torque procedures.
- Clear diagnostic trouble codes after installation and confirm sensor operation.
Quality Assurance
Denso manufactures and tests this sensor to OE standards for replacement accuracy and consistent fit. The OE Style line is intended to deliver factory-like application matching for specific Honda and Acura vehicles, including 2001-2005 Honda Civic, 2002-2004 Acura RSX, and 2002-2004 Honda CR-V.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Honda | Civic | Upstream | OE Style |
| 2004 | Acura | RSX | Upstream | OE Style |
| 2004 | Honda | Civic | Upstream | OE Style |
| 2004 | Honda | CR-V | Upstream | OE Style |
| 2003 | Acura | RSX | Upstream | OE Style |
| 2003 | Honda | Civic | Upstream | OE Style |
| 2003 | Honda | CR-V | Upstream | OE Style |
| 2002 | Acura | RSX | Upstream | OE Style |
| 2002 | Honda | Civic | Upstream | OE Style |
| 2002 | Honda | CR-V | Upstream | OE Style |
| 2001 | Honda | Civic | Upstream | OE Style |
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