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Walker 350-34167 Oxygen Sensor - Downstream
Overview of Walker 350-34167 Oxygen Sensor for Lexus IS300
The Walker 350-34167 oxygen sensor is designed specifically for the Lexus IS300, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.
- Heated oxygen sensor with 4 wires for accurate readings
- Specific fitment for Lexus IS300 models
- Threaded mounting with 18.0 mm thread diameter
- 25.31 inches wiring harness length and 28.86 inches overall length
- 20 gauge wire measurement for durability and signal integrity
- Radiused polygon male connector for reliable connection
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34167) is engineered to meet the exact specifications required by the Lexus IS300. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. With a 4-wire configuration and 20 gauge wiring, it provides stable and accurate oxygen level readings to the engine control unit. The radiused polygon male connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The wiring harness length of 25.31 inches and overall length of 28.86 inches provide ample reach for proper placement within the vehicle’s exhaust system.
Walker Products Aftermarket Line
The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution tailored for specific vehicle applications like the Lexus IS300. The product line emphasizes compatibility, durability, and performance to support emission compliance and engine management systems.
Common Applications and Issues Addressed
- Restores accurate air-fuel mixture readings for the Lexus IS300
- Helps resolve engine performance issues related to faulty oxygen sensors
- Reduces emissions by ensuring proper sensor operation
- Prevents check engine light triggers caused by sensor failure
- Improves fuel economy by providing precise feedback to the engine control unit
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 connector type matches the vehicle harness before installation
- Do not over-tighten the sensor to prevent damage to threads
- Check for any exhaust leaks after installation to maintain sensor accuracy
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for emission control components. While specific warranty details for part number 350-34167 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliable operation in the Lexus IS300.
| Brand | Walker |
|---|---|
| Part Number | 350-34167 |
| Position | Walker Products Aftermarket, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 28.86 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 25.31 |
This part fits 10 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket |
| 2005 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket |
| 2004 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket |
| 2004 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket |
| 2003 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket |
| 2003 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket |
| 2002 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket |
| 2002 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket |
| 2001 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Downstream oxygen sensor for cylinders 1-3.; Walker Products Aftermarket |
| 2001 | Lexus | IS300 | 3.0L | L6 | GAS | Downstream | Cylinder 1-3 Downstream Oxygen Sensor; Walker Products Aftermarket |
* 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.