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Walker 250-54025 Oxygen Sensor - Upstream
Overview of Walker 250-54025 Oxygen Sensor for Subaru Baja
The Walker 250-54025 oxygen sensor is designed specifically for the Subaru Baja, providing precise emission control and engine performance monitoring. This heated oxygen sensor ensures accurate readings for optimal fuel efficiency and reduced emissions.
- Heated oxygen sensor type for faster response times
- Specific fitment for Subaru Baja models
- 35.35 inches wiring harness length for flexible installation
- 20 gauge wire measurement with 4 wires for reliable signal transmission
- Radiused polygon male connector for secure connection
- Threaded mounting type with 18.0 mm thread diameter
- Overall length of 38.9 inches for proper placement
Detailed Product Description
This Walker Products OE oxygen sensor (part number 250-54025) is engineered to meet the exact specifications of the Subaru Baja. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire design and 20 gauge wiring ensure consistent electrical performance, while the radiused polygon male connector guarantees a secure and precise fit. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and reliable sensor positioning. With a wiring harness length of 35.35 inches and an overall length of 38.9 inches, this sensor accommodates the specific layout of the Subaru Baja’s emission system.
Walker Products OE Brand Line Information
The Walker Products OE line focuses on delivering original equipment quality parts that match or exceed factory specifications. This oxygen sensor is part of that line, ensuring compatibility and durability for Subaru Baja vehicles. Walker Products OE parts are designed to integrate seamlessly with existing vehicle systems, providing dependable performance and emission control.
Common Applications and Issues Addressed
- Restores accurate air-fuel mixture readings for improved engine efficiency
- Helps resolve check engine light triggers related to oxygen sensor faults
- Reduces emissions by ensuring proper catalytic converter function
- Prevents rough idling and poor acceleration caused by faulty sensors
- Supports fuel economy by maintaining optimal combustion conditions
Installation Notes and Tips
When installing the Walker 250-54025 oxygen sensor on a Subaru Baja, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the sensor threads to facilitate future removal. Verify the connector orientation matches the radiused polygon male connector for a secure fit. Avoid pulling on the wiring harness during installation to prevent damage to the 4-wire assembly.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and longevity. This part number 250-54025 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the parts provider or manufacturer.
| Brand | Walker |
|---|---|
| Part Number | 250-54025 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 38.9 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 35.35 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Subaru | Baja | 2.5L | H4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2006 | Subaru | Baja | 2.5L | H4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE |
| 2004 | Subaru | Baja | 2.5L | H4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE |
| 2004 | Subaru | Baja | 2.5L | H4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; 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.