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Denso 234-4099 Oxygen Sensor - Downstream, Downstream Front or Upstream
Reliable Oxygen Sensor for Acura and Honda Vehicles
The Denso OE Style 234-4099 oxygen sensor is designed specifically for select Acura and Honda models, including the Accord, Civic, and NSX. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.
- Heated sensor type for faster response times
- Specific fit for Acura and Honda models such as Civic, Accord, and Odyssey
- 16.93-inch wiring harness length for proper installation
- Threaded mounting type with 0.708-inch thread diameter
- Four-wire design with male connector for secure connection
About the Denso OE Style Product Line
The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. The 234-4099 sensor maintains factory-level fit, form, and function, ensuring compatibility and reliable performance for Acura and Honda vehicles. This line focuses on delivering components that integrate seamlessly with the vehicle’s emission control system.
Detailed Product Description
The Denso 234-4099 oxygen sensor features a heated sensor element that accelerates the sensor’s readiness after engine start, improving emission control efficiency. Its specific fitment to Acura and Honda models like the Civic del Sol, CL, and Integra guarantees proper installation without modification. The sensor includes a 16.93-inch wiring harness and a male connector with four wires, facilitating a secure and stable electrical connection. The threaded mounting type with a 0.708-inch diameter ensures a tight seal in the exhaust system, preventing leaks and maintaining sensor accuracy.
Common Issues Addressed by This Oxygen Sensor
- Incorrect air-fuel mixture readings causing poor fuel economy
- Check engine light triggered by faulty oxygen sensor signals
- Increased emissions due to sensor malfunction
- Engine performance problems such as rough idling or hesitation
- Failed emissions tests related to sensor degradation
Installation Notes and Tips
When installing the Denso 234-4099 oxygen sensor, ensure the vehicle is compatible with this specific fit sensor. Use proper tools to avoid damaging the threaded mounting. The 16.93-inch wiring harness length allows for straightforward routing without stretching or excess slack. Confirm the male connector securely mates with the vehicle’s wiring harness to prevent electrical issues. It is recommended to replace the sensor when the engine is cool to avoid burns and to apply anti-seize compound on the threads if reusing the sensor.
Quality Assurance and Warranty
Denso oxygen sensors, including the OE Style 234-4099, are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability in emission control applications. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region and distributor.
| Brand | Denso |
| Part Number | 234-4099 |
| Position | OE Style, 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 |
This part fits 41 vehicles. Search below:
| 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 |
* 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.