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Walker 350-34252 Oxygen Sensor - Upstream
Overview of Walker 350-34252 Oxygen Sensor for Toyota Celica and MR2
The Walker 350-34252 oxygen sensor is designed specifically for Toyota Celica and MR2 models, ensuring precise emission control and engine performance. This heated oxygen sensor features a flange mount design and a radiused polygon male connector for secure and accurate installation.
Key Features of Walker 350-34252 Oxygen Sensor
- Heated sensor type for faster warm-up and accurate readings
- Specific fitment for Toyota Celica and MR2 vehicles
- 10.35-inch wiring harness length with 4 wires of 20 gauge measurement
- Radiused polygon male connector for reliable electrical connection
- 18.0 mm thread diameter and flange mount for secure installation
- Overall length of 13.9 inches to fit OEM specifications
Detailed Description of Walker Products Aftermarket Oxygen Sensor
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing reliable emission control components tailored to specific vehicle applications. The 350-34252 sensor is engineered to meet the exact specifications required by Toyota Celica and MR2 models, ensuring compatibility and optimal performance. The heated sensor element allows for quicker activation, improving fuel efficiency and reducing emissions during cold starts. The 4-wire design supports both sensor heating and signal transmission, while the radiused polygon male connector ensures a secure and corrosion-resistant connection. The flange mount and 18.0 mm thread diameter provide a stable and OEM-compliant fit.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel mixture for Toyota Celica and MR2 engines
- Reduces emissions by accurately monitoring exhaust gases
- Prevents engine performance issues related to faulty oxygen sensors
- Addresses check engine light triggers caused by sensor failure
- Improves fuel economy by providing precise sensor data to the ECU
Installation Notes and Tips
- Ensure compatibility with Toyota Celica and MR2 models before installation
- Use proper tools to avoid damaging the 18.0 mm threaded sensor
- Check wiring harness length (10.35 inches) for fitment in your vehicle
- Confirm connector type matches the vehicle’s wiring harness (radiused polygon male)
- Follow manufacturer torque specifications for flange mount installation
Quality Assurance and Warranty Information
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for emission control components. The 350-34252 sensor undergoes rigorous testing to ensure durability and reliable performance in Toyota Celica and MR2 vehicles. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use.
| Brand | Walker |
|---|---|
| Part Number | 350-34252 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Flange Mount |
| Overall Length | 13.9 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 10.35 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1995 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1994 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1994 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1993 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1993 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1993 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1993 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1992 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1992 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1992 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1992 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1991 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1991 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1991 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1991 | Toyota | MR2 | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1990 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 1990 | Toyota | Celica | 2.0L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; 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.