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Walker 350-34554 Oxygen Sensor - Upstream
Overview of Walker 350-34554 Oxygen Sensor for Toyota Supra
The Walker 350-34554 oxygen sensor is designed specifically for Toyota Supra models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a flange mount and a radiused polygon male connector for secure installation.
- Heated oxygen sensor with 4-wire configuration
- Specific fit for Toyota Supra vehicles
- 30.63-inch wiring harness length for flexible routing
- 22-gauge wire for reliable signal transmission
- Flange mount with 18.0 mm thread diameter
- Radiused polygon male connector for secure connection
- Overall length of 34.17 inches for proper placement
Detailed Product Description
This Walker Products Aftermarket oxygen sensor (part number 350-34554) is engineered to meet the exact specifications required by Toyota Supra models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a dedicated heater circuit and signal wires, ensuring accurate oxygen level readings. The wiring harness length of 30.63 inches provides ample length for installation without excess slack, while the 22-gauge wire ensures durability and consistent electrical performance.
The sensor mounts via a flange mount with an 18.0 mm thread diameter, compatible with the factory mounting location on the Toyota Supra. The connector features a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness and prevent accidental disconnection.
Walker Products Aftermarket Brand 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 for Toyota Supra owners who require precise fitment and dependable sensor performance to maintain emission compliance and engine efficiency.
Common Applications and Issues Addressed
- Restores accurate air-fuel mixture readings for optimal engine performance
- Helps resolve rough idling and engine hesitation caused by faulty sensors
- Reduces increased emissions and failed emissions tests
- Prevents check engine light triggers related to oxygen sensor faults
- Improves fuel economy by ensuring proper sensor feedback
Installation Notes and Tips
When installing the Walker 350-34554 oxygen sensor on a Toyota Supra, ensure the flange mount is securely tightened to the specified torque to prevent exhaust leaks. Verify the connector’s radiused polygon male end aligns correctly with the vehicle harness to avoid damage. It is recommended to inspect the wiring harness for any wear or damage before installation. Use anti-seize compound on the threads if specified by the vehicle manufacturer to facilitate future removal.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. This part number 350-34554 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.
| Brand | Walker |
| Part Number | 350-34554 |
| Position | Walker Products Aftermarket, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Flange Mount |
| Overall Length | 34.17 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 22 |
| Wire Quantity | 4 |
| Wiring Harness Length | 30.63 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1998 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1997 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1996 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1995 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1994 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products Aftermarket |
| 1993 | Toyota | Supra | 3.0L | L6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; 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.