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Denso 234-4098 Oxygen Sensor - Downstream
Overview of the Denso OE Style Oxygen Sensor 234-4098
The Denso OE Style Oxygen Sensor 234-4098 is designed specifically for Acura and Honda vehicles, including the Civic, CR-V, and EL models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.
- Heated sensor type for faster response times
- Specific fit for Acura and Honda Civic, CR-V, and EL
- Threaded mounting type with 0.708-inch thread diameter
- 15.75-inch wiring harness length with 4 wires
- Male connector for secure electrical connection
Detailed Features and Specifications
This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 15.75-inch wiring harness length provides sufficient reach for installation in the exhaust system, while the 4-wire configuration supports both the sensor signal and heater circuit. The sensor’s threaded mounting type with a 0.708-inch diameter ensures a secure and precise fit in the exhaust manifold or pipe. The male connector is designed for compatibility with the vehicle’s wiring harness, facilitating straightforward installation.
About the OE Style Product Line
The Denso OE Style line focuses on delivering parts that meet original equipment specifications for fit, form, and function. The 234-4098 oxygen sensor is engineered to match the exact requirements of Acura and Honda vehicles, providing reliable performance and durability consistent with factory standards.
Common Applications and Problem Solving
- Restores accurate oxygen sensing for proper air-fuel mixture control
- Helps resolve check engine light issues related to oxygen sensor faults
- Improves fuel economy by ensuring efficient combustion
- Reduces harmful emissions by maintaining proper sensor operation
- Prevents engine performance problems caused by faulty sensor readings
Installation Notes and Tips
When installing the Denso 234-4098 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector type match the vehicle’s specifications. Thread the sensor by hand initially to avoid cross-threading, then tighten to the manufacturer’s torque specifications. Check for any exhaust leaks after installation.
Quality Assurance and Warranty
Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4098 sensor is backed by Denso’s commitment to quality, providing confidence in its reliability for Acura and Honda Civic, CR-V, and EL models. Warranty coverage details should be confirmed with the supplier or manufacturer.
| Brand | Denso |
| Part Number | 234-4098 |
| 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 | 15.75 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | Honda | CR-V | Downstream | OE Style |
| 2000 | Acura | EL | Downstream | OE Style |
| 2000 | Honda | Civic | Downstream | OE Style |
| 2000 | Honda | CR-V | Downstream | OE Style |
| 1999 | Acura | EL | Downstream | OE Style |
| 1999 | Honda | Civic | Downstream | OE Style |
| 1999 | Honda | CR-V | Downstream | OE Style |
| 1998 | Honda | CR-V | Downstream | OE Style |
| 1997 | Honda | CR-V | Downstream | 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.