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Walker 250-24086 Oxygen Sensor - Downstream, Downstream Rear or Upstream
Overview of Walker 250-24086 Oxygen Sensor for Mazda Vehicles
The Walker Products OE 250-24086 oxygen sensor is designed specifically for select Mazda models, including the Mazda 3, Mazda 6, and Mazda 929. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.
- Heated oxygen sensor with 4-wire design for reliable operation
- Specific fitment for Mazda 3, Mazda 6, and Mazda 929 models
- Threaded mounting type with 18.0 mm thread diameter
- Radiused polygon male connector for secure electrical connection
- Wiring harness length of 13.31 inches and overall length of 16.85 inches
- Wire gauge measurement of 20 for durability and signal integrity
Walker Products OE Brand Line Details
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-24086 oxygen sensor is part of this line, ensuring compatibility and performance consistent with Mazda’s original components. This product line emphasizes precise fitment and reliable function, making it suitable for emission control systems requiring exact sensor specifications.
Product Features and Technical Specifications
This oxygen sensor features a heated sensor type with four wires, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The sensor’s wiring harness length is 13.31 inches, providing adequate reach for installation in the specified Mazda models. The connector is a radiused polygon shape with a male gender, designed to fit securely with the vehicle’s wiring harness. The sensor mounts via a threaded connection with an 18.0 mm diameter, ensuring a tight and secure fit. The overall length of the sensor is 16.85 inches, accommodating the installation requirements of the Mazda 3, 6, and 929.
Compatible Mazda Models and Common Applications
- Replacement oxygen sensor for Mazda 3 models requiring part number 250-24086
- Emission control sensor for Mazda 6 vehicles with specific OE sensor fitment
- Suitable for Mazda 929 models needing a heated oxygen sensor with threaded mounting
- Helps maintain proper air-fuel ratio and reduce emissions in compatible Mazda vehicles
- Addresses issues such as rough idling, poor fuel economy, and failed emissions tests
Installation Notes and Tips
When installing the Walker 250-24086 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.
Quality Assurance and Warranty Information
Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24086 part undergoes rigorous testing to comply with emission control requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term functionality.
| Brand | Walker |
| Part Number | 250-24086 |
| Position | Walker Products OE, Downstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 16.85 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 13.31 |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2013 | Mazda | 3 | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2012 | Mazda | 3 | 2.0L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 2005 | Mazda | 6 | 3.0L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products OE | |
| 2004 | Mazda | 6 | 3.0L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products OE | |
| 2003 | Mazda | 6 | 3.0L | V6 | GAS | Downstream Rear | Rear downstream oxygen sensor must be installed in correct position.; Walker Products OE | |
| 1991 | Mazda | 929 | S | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE |
| 1990 | Mazda | 929 | S | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE |
* 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.