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Walker 350-34185 Oxygen Sensor - Downstream Front, Downstream Rear or Upstream
Reliable Oxygen Sensor for Chevrolet, Ford, and Mazda Vehicles
The Walker 350-34185 oxygen sensor is designed to provide accurate emissions control for specific Chevrolet, Ford, and Mazda models. This heated oxygen sensor ensures optimal engine performance and emission regulation by delivering precise air-fuel mixture data to the vehicle’s engine control unit.
- Heated oxygen sensor with threaded mounting type for secure installation
- Specific fit for Chevrolet 626, Ford Probe, Mazda MX-6, Beat, and Spark models
- 20.39-inch wiring harness length with 4 wires and 20 gauge measurement
- Radiused polygon male connector for reliable electrical connection
- 18.0 mm thread diameter and 23.94-inch overall length for exact fitment
Walker Products Aftermarket Line Overview
This oxygen sensor is part of the Walker Products Aftermarket line, which focuses on providing quality emission control components tailored to specific vehicle applications. The line emphasizes precise fitment and reliable sensor performance to meet or exceed OEM standards, supporting proper engine management and emissions compliance.
Detailed Product Description
The Walker 350-34185 oxygen sensor features a heated sensor element that allows for faster activation and improved accuracy in monitoring exhaust gases. Its 4-wire design supports both the sensor signal and heater circuit, ensuring consistent operation under various driving conditions. The radiused polygon male connector and threaded mounting type provide a secure and stable connection, reducing the risk of sensor failure due to vibration or poor contact. With a wiring harness length of 20.39 inches and an overall length of 23.94 inches, this sensor is engineered for a precise fit in the specified Chevrolet, Ford, and Mazda models.
Common Applications and Issues Addressed
- Helps maintain proper air-fuel ratio for efficient combustion
- Reduces harmful emissions by providing accurate oxygen level data
- Prevents engine performance issues such as rough idling or hesitation
- Supports resolution of check engine light codes related to oxygen sensors
- Improves fuel economy by enabling optimal engine tuning
Installation Notes and Tips
Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use the correct tools to avoid damaging the sensor or threads. Verify the connector type matches the vehicle harness for a secure fit. Follow torque specifications for the 18.0 mm threaded mounting to prevent leaks or sensor damage. Inspect wiring for any signs of wear or damage before installation.
Quality Assurance and Warranty
Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for durability and performance. The 350-34185 part number undergoes rigorous testing to ensure compatibility and reliability in Chevrolet, Ford, and Mazda vehicles. Warranty details are provided by the manufacturer and should be reviewed prior to installation.
| Brand | Walker |
|---|---|
| Part Number | 350-34185 |
| Position | OE Replacement, Downstream Front, Downstream Rear, and Upstream |
| Wiring Harness Length | 20.39 |
| Wire Gauge Measurement | 20 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Shape | Radiused polygon |
| Connector Gender | Male |
| Thread Diameter | 18.0 |
| Overall Length | 23.94 |
| Mounting Type | Threaded |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Chevrolet | Beat | 1.2L | L4 | Upstream | OE Replacement | |
| 2020 | Chevrolet | Beat | 1.2L | L4 | Upstream | OE Replacement | |
| 2019 | Chevrolet | Beat | 1.2L | L4 | Upstream | OE Replacement | |
| 2018 | Chevrolet | Beat | 1.2L | L4 | Upstream | OE Replacement | |
| 2012 | Chevrolet | Spark | 1.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2012 | Chevrolet | Spark | 1.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 2011 | Chevrolet | Spark | 1.2L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products Aftermarket |
| 2011 | Chevrolet | Spark | 1.2L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products Aftermarket |
| 1997 | Ford | Probe | 2.5L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products Aftermarket |
| 1996 | Ford | Probe | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 1996 | Mazda | 626 | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
| 1996 | Mazda | MX-6 | 2.5L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products Aftermarket |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.