OE Quality
60-Day Returns

Denso 234-4124 Oxygen Sensor - Upstream
Overview of the Denso OE Style Oxygen Sensor 234-4124
The Denso OE Style Oxygen Sensor 234-4124 is designed specifically for Honda S2000 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a 20.47-inch wiring harness, ensuring a direct fit and reliable operation.
- Heated oxygen sensor for accurate emissions feedback
- Specific fit for Honda S2000 vehicles
- Threaded mounting with 0.708-inch thread diameter
- 20.47-inch wiring harness length for proper installation
- Four-wire design with male connector for secure connection
Detailed Product Description
The Denso 234-4124 oxygen sensor is engineered to meet the exact specifications of the Honda S2000, ensuring compatibility and optimal performance. As a heated sensor, it quickly reaches operating temperature to provide accurate oxygen level readings to the engine control unit (ECU). The four-wire configuration includes two wires for the heater circuit and two for the sensor signal, enhancing responsiveness and durability. The sensor’s threaded mounting type with a 0.708-inch diameter allows for straightforward installation in the exhaust system.
This sensor is part of Denso's OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is designed to match the form, fit, and function of factory-installed parts, making it a reliable replacement option for emission control sensors like this oxygen sensor.
Common Applications and Issues Addressed
- Restores accurate air-fuel mixture readings for Honda S2000 engines
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel efficiency by providing precise emissions data
- Helps reduce harmful exhaust emissions
- Prevents engine performance issues caused by faulty sensors
Installation Notes and Tips
- Ensure the vehicle is cool before removing the old sensor to avoid burns
- Use appropriate tools for threaded sensor removal and installation
- Verify the connector gender matches the vehicle harness (male connector)
- Check wiring harness length (20.47 inches) for proper routing and connection
- Follow torque specifications to avoid sensor damage
Quality Assurance and Warranty
Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details for part number 234-4124 should be confirmed with the supplier, Denso typically offers coverage against defects in materials and workmanship. This sensor is built to provide consistent operation within the emission control system of the Honda S2000.
| Brand | Denso |
|---|---|
| Part Number | 234-4124 |
| Position | OE Style, Upstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 20.47 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Honda | S2000 | Upstream | OE Style |
| 2002 | Honda | S2000 | Upstream | OE Style |
| 2001 | Honda | S2000 | Upstream | OE Style |
| 2000 | Honda | S2000 | 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.