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Denso 234-4099 Oxygen Sensor - Downstream, Downstream Front or Upstream
| Brand | Denso 234-4099 |
|---|---|
| Position | Downstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 16.93 |
| Product line | OE Style |
| Fits | Honda and Acura · 41 vehicles |
OE style replacement. Precision-built for an exact, first-time fit.
Heated sensor. Helps maintain efficient engine performance.
Threaded mounting. Installs with a secure, direct connection.
Cross-references ACDelco 213-1383, ACDelco 213-1387 and ACDelco 213-1393 for the same application. See all 32.
Denso OE Style Oxygen Sensor 234-4099
Denso 234-4099 is an OE Style heated oxygen sensor built for specific-fit replacement on select Honda and Acura applications. It is engineered for accurate exhaust feedback, stable engine management, and a first-time fit on vehicles such as the Honda Civic, Honda Accord, and Acura Integra.
Key Features
- Heated oxygen sensor for faster operating response
- Specific fit design for direct replacement
- 4-wire configuration with male connector
- Threaded mounting type with 0.708 in. thread diameter
- 16.93 in. wiring harness length
- OE Style construction for factory-style fit and function
- Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination
OE Style Design and Application
Denso’s OE Style product line focuses on direct replacement parts built to match original equipment dimensions and performance requirements. For this oxygen sensor, that means precise construction, specific vehicle fitment, and the correct connector and harness layout for the listed Honda and Acura applications. The Denso 234-4099 is a practical choice when you need a replacement oxygen sensor for a 1992-2000 Honda Civic, 1998-2000 Honda Civic downstream, 1998-1999 Honda Accord upstream, or 1992-1993 Acura Integra upstream.
This part cross-references Bosch 13007 and NTK 24420 for the same application.
What This Oxygen Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel mixture readings
- Reduced fuel economy from inaccurate exhaust feedback
- Rough idle or drivability issues tied to sensor signal degradation
- Emissions test failures caused by a worn or contaminated sensor
Installation Notes and Fitment
Compatible with select Honda Civic, Honda Accord, Honda Odyssey, Civic del Sol, and Acura CL, NSX, EL, and Integra applications listed below. Fitment includes upstream, downstream, and downstream front positions depending on vehicle and model year. Confirm the connector style, thread size, and sensor position before installation to ensure the correct replacement.
- Fits 1992-2000 Honda Civic, Upstream
- Fits 1998-2000 Honda Civic, Downstream
- Fits 1999-2000 Honda Odyssey, Upstream
- Fits 1997-1999 Acura CL, Upstream
- Fits 1995-1999 Acura NSX, Downstream Front
- Fits 1998-1999 Honda Accord, Upstream
- Fits 1997-1998 Acura EL, Upstream
- Fits 1993-1997 Honda Civic del Sol, Upstream
- Fits 1993-1995 Honda Civic, Upstream
- Fits 1992-1993 Acura Integra, Upstream
Quality Assurance
Denso manufactures and tests these oxygen sensors to OE standards for consistent fit and performance. The sensor design includes an aluminum oxide trap layer to help protect the sensing element from silicone and lead contamination, supporting long service life in demanding exhaust environments.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2000 | Honda | Civic | — | Upstream | OE Style |
| 2000 | Honda | Civic | — | Downstream | OE Style |
| 2000 | Honda | Civic | Automatic CVT | Upstream | OE Style |
| 2000 | Honda | Odyssey | — | Upstream | OE Style |
| 1999 | Acura | CL | — | Upstream | OE Style |
| 1999 | Acura | NSX | — | Downstream Front | OE Style |
| 1999 | Honda | Accord | — | Upstream | OE Style |
| 1999 | Honda | Civic | — | Upstream | OE Style |
| 1999 | Honda | Civic | — | Downstream | OE Style |
| 1999 | Honda | Civic | Automatic CVT | Upstream | OE Style |
| 1999 | Honda | Odyssey | — | Upstream | OE Style |
| 1998 | Acura | CL | — | Upstream | OE Style |
| 1998 | Acura | EL | — | Upstream | OE Style |
| 1998 | Acura | NSX | — | Downstream Front | OE Style |
| 1998 | Honda | Accord | — | Upstream | OE Style |
| 1998 | Honda | Civic | — | Upstream | OE Style |
| 1998 | Honda | Civic | — | Downstream | OE Style |
| 1998 | Honda | Civic | Automatic CVT | Upstream | OE Style |
| 1997 | Acura | CL | — | Upstream | OE Style |
| 1997 | Acura | EL | — | Upstream | OE Style |
| 1997 | Acura | NSX | — | Downstream Front | OE Style |
| 1997 | Honda | Civic | — | Upstream | OE Style |
| 1997 | Honda | Civic | Automatic CVT | Upstream | OE Style |
| 1997 | Honda | Civic del Sol | — | Upstream | OE Style |
| 1996 | Acura | NSX | — | Downstream Front | OE Style |
| 1996 | Honda | Civic | — | Upstream | OE Style |
| 1996 | Honda | Civic | Automatic CVT | Upstream | OE Style |
| 1996 | Honda | Civic del Sol | — | Upstream | OE Style |
| 1995 | Acura | NSX | — | Downstream Front | OE Style |
| 1995 | Honda | Civic | — | Upstream | OE Style |
| 1995 | Honda | Civic | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1995 | Honda | Civic del Sol | — | Upstream | OE Style |
| 1994 | Honda | Civic | — | Upstream | OE Style |
| 1994 | Honda | Civic | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1994 | Honda | Civic del Sol | — | Upstream | OE Style |
| 1993 | Acura | Integra | — | Upstream | OE Style |
| 1993 | Honda | Civic | — | Upstream | OE Style |
| 1993 | Honda | Civic | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1993 | Honda | Civic del Sol | — | Upstream | OE Style |
| 1992 | Acura | Integra | — | Upstream | OE Style |
| 1992 | Honda | Civic | — | Upstream | OE Style |
| No rows match your filter. | |||||