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Walker 250-24072 Oxygen Sensor - Downstream, Downstream Front or Upstream
Overview of Walker 250-24072 Oxygen Sensor
The Walker 250-24072 oxygen sensor is designed specifically for select Ford and Mazda vehicles, including the Aspire, Millenia, and MPV models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.
- Heated sensor type for faster response times
- Specific fit for Ford Aspire, Mazda Millenia, and MPV
- 31.81-inch wiring harness length for flexible installation
- 20 gauge wire with 4-wire configuration
- Radiused polygon male connector for secure connection
- 18.0 mm threaded mounting for direct replacement
- Overall length of 35.35 inches
Detailed Product Features and Specifications
This oxygen sensor from Walker Products OE features a heated sensor element that allows quicker sensor activation and improved emissions monitoring. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation. The wiring harness length of 31.81 inches provides ample reach for installation in the engine bay, while the 20 gauge wire ensures durability and signal integrity. The sensor’s radiused polygon male connector is designed for a secure and precise fit, reducing the risk of connection issues. The threaded mounting with an 18.0 mm diameter allows for straightforward replacement on compatible Ford Aspire, Mazda Millenia, and MPV models.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on your Ford or Mazda vehicle. Using a Walker Products OE sensor helps maintain proper emissions control and engine efficiency.
Common Applications and Problem Resolution
- Restores accurate air-fuel ratio readings for engine control units
- Resolves rough idling and poor fuel economy caused by faulty sensors
- Helps correct check engine light issues related to oxygen sensor faults
- Improves emissions system performance to meet regulatory standards
- Prevents engine hesitation and stalling linked to sensor failure
Installation Notes and Tips
When installing the Walker 250-24072 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct 18.0 mm oxygen sensor socket for removal and installation. Verify the connector orientation matches the radiused polygon male connector to avoid damage. Check wiring harness routing to prevent contact with hot or moving engine parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. This part number 250-24072 undergoes rigorous testing to ensure reliable operation in Ford Aspire, Mazda Millenia, and MPV 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 | 250-24072 |
| Position | Walker Products OE, Downstream Front |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 35.35 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 31.81 |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2000 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 1999 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 1998 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 1997 | Ford | Aspire | 1.3L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1997 | Mazda | Millenia | 2.5L | V6 | GAS | Downstream Front | Downstream front oxygen sensor required.; Walker Products OE | |
| 1996 | Ford | Aspire | 1.3L | L4 | GAS | Downstream | Fits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE | |
| 1995 | Mazda | MPV | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1994 | Mazda | MPV | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1993 | Mazda | MPV | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1992 | Mazda | MPV | 3.0L | V6 | GAS | Upstream | Install upstream oxygen sensor for optimal performance.; Walker Products OE | |
| 1991 | Mazda | MPV | Automatic | 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.