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Denso 234-4167 Oxygen Sensor - Downstream
Overview of the Denso OE Style Oxygen Sensor 234-4167
The Denso OE Style Oxygen Sensor 234-4167 is designed specifically for Lexus LS430 and SC430 models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Lexus LS430 and SC430 vehicles
- Threaded mounting type with 0.708-inch thread diameter
- 29.92-inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Features and Specifications
This oxygen sensor from Denso’s OE Style line is engineered to meet original equipment specifications, providing reliable performance and durability. The heated sensor element allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 29.92-inch wiring harness length offers sufficient reach for proper installation in the exhaust system of Lexus LS430 and SC430 models. Featuring a female connector and four-wire configuration, this sensor ensures compatibility with the vehicle’s wiring harness and control modules. The threaded mounting type with a 0.708-inch diameter allows for secure and precise installation.
About the Denso OE Style Product Line
The OE Style product line by Denso focuses on delivering parts that closely match original equipment specifications. This ensures that the oxygen sensor 234-4167 provides a direct replacement solution for Lexus LS430 and SC430 vehicles, maintaining factory performance standards and emission compliance.
Common Applications and Problem Resolution
- Helps resolve engine performance issues related to incorrect air-fuel mixture
- Addresses check engine light triggers caused by faulty oxygen sensors
- Improves fuel economy by providing accurate exhaust gas readings
- Reduces harmful emissions by ensuring proper catalytic converter function
- Prevents rough idling and hesitation during acceleration
Installation Notes and Tips
When installing the Denso 234-4167 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the female connector aligns properly with the vehicle’s wiring harness. It is recommended to inspect the wiring harness for any damage before installation. Proper torque specifications should be followed to secure the sensor without over-tightening.
Quality Assurance and Warranty
Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure reliability and durability. The OE Style 234-4167 sensor is designed to provide consistent performance throughout its service life. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.
| Brand | Denso |
| Part Number | 234-4167 |
| Position | OE Style, Downstream |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 29.92 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Lexus | LS430 | Downstream | OE Style |
| 2005 | Lexus | LS430 | Downstream | OE Style |
| 2005 | Lexus | SC430 | Downstream | OE Style |
| 2004 | Lexus | LS430 | Downstream | OE Style |
| 2004 | Lexus | SC430 | Downstream | OE Style |
| 2003 | Lexus | LS430 | Downstream | OE Style |
| 2003 | Lexus | SC430 | Downstream | OE Style |
| 2002 | Lexus | LS430 | Downstream | OE Style |
| 2002 | Lexus | SC430 | Downstream | OE Style |
| 2001 | Lexus | LS430 | 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.