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Walker 350-34609 Oxygen Sensor - Upstream
Overview of Walker Oxygen Sensor 350-34609 for Toyota Celica
The Walker 350-34609 oxygen sensor is designed specifically for Toyota Celica models, providing precise emission control monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.
- Wiring harness length: 10.35 inches for convenient installation
- Wire gauge measurement: 20 gauge for reliable signal transmission
- Heated sensor type for faster response times
- Specific fitment for Toyota Celica to ensure compatibility
- Four-wire configuration with a radiused polygon male connector
- Thread diameter of 18.0 mm and flange mount for secure attachment
- Overall length of 13.9 inches to fit OEM specifications
Walker Products Aftermarket Line Details
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing replacement emission control components that meet or exceed original equipment standards. The line emphasizes precise fitment and durability, making the 350-34609 sensor a reliable choice for maintaining Toyota Celica emission systems.
Product Description and Technical Specifications
The Walker 350-34609 oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving sensor response and engine management accuracy. The four-wire setup includes two wires for the heater circuit and two for the sensor signal, ensuring stable and consistent readings. The radiused polygon male connector and flange mount thread diameter of 18.0 mm are engineered to match Toyota Celica factory specifications, facilitating straightforward replacement without modification.
Common Applications and Problem Resolution
- Restores accurate oxygen sensing for proper air-fuel ratio control
- Helps resolve engine performance issues related to faulty sensors
- Reduces emissions by ensuring correct fuel mixture adjustments
- Prevents check engine light triggers caused by sensor failure
- Supports smooth engine idling and improved fuel economy
Installation Notes and Tips
When installing the Walker 350-34609 oxygen sensor, ensure the vehicle is cool to avoid burns. Use anti-seize compound on the sensor threads if recommended by the vehicle manufacturer. Confirm the connector matches the Toyota Celica wiring harness and secure the sensor firmly using the flange mount. Verify wiring harness length of 10.35 inches is sufficient for routing without strain.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards and OEM fitment requirements. The 350-34609 sensor is manufactured to provide consistent performance and durability. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
|---|---|
| Part Number | 350-34609 |
| 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 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket |
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket |
| 1991 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket |
| 1990 | Toyota | Celica | 1.6L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; 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.