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Walker 250-24657 Oxygen Sensor - Downstream Left
Overview of Walker 250-24657 Oxygen Sensor for BMW X5
The Walker Products OE 250-24657 oxygen sensor is designed specifically for BMW X5 models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.
- Heated oxygen sensor with 4 wires for accurate signal transmission
- Specific fit for BMW X5 ensuring compatibility and reliable operation
- 42.44-inch wiring harness length for flexible routing
- Thread diameter of 18.0 mm with threaded mounting for secure fit
- Radiused polygon female connector designed for OEM-style connection
- Wire gauge measurement of 20 for optimal electrical performance
- Overall length of 45.98 inches for proper sensor placement
Walker Products OE Brand Line Details
The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. The 250-24657 oxygen sensor is engineered to match the exact fit and function required by BMW X5 vehicles, ensuring consistent sensor performance and durability. This product line emphasizes quality and precision to support emission standards compliance.
Product Description and Technical Specifications
This oxygen sensor is a heated type, which allows it to reach operating temperature quickly for accurate air-fuel mixture readings. It includes four wires with a 20-gauge measurement, providing reliable electrical connections. The sensor’s wiring harness length of 42.44 inches and overall length of 45.98 inches offer sufficient reach for installation in the BMW X5’s exhaust system. The radiused polygon female connector ensures a secure and OEM-compatible connection, while the 18.0 mm threaded mounting type allows for straightforward installation and replacement.
Common Applications and Issues Addressed
- Helps maintain optimal engine air-fuel ratio for efficient combustion
- Reduces harmful emissions by providing accurate feedback to the engine control unit
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel economy by ensuring proper sensor operation
- Prevents rough idling and engine performance issues caused by faulty sensors
Installation Notes and Tips
When installing the Walker 250-24657 oxygen sensor on a BMW X5, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector matches the radiused polygon female design for a proper fit. Thread the sensor carefully into the exhaust port to the specified torque to prevent leaks or sensor damage.
Quality Assurance and Warranty
Walker Products OE oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details for part number 250-24657 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to ensure reliable performance.
| Brand | Walker |
| Part Number | 250-24657 |
| Position | Walker Products OE, Downstream Left |
| Connector Gender | Female |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 45.98 |
| Sensor Type | Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 4 |
| Wiring Harness Length | 42.44 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | BMW | X5 | 4.8L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2006 | BMW | X5 | 4.4L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2005 | BMW | X5 | 4.8L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2005 | BMW | X5 | 4.4L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2004 | BMW | X5 | 4.8L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; Walker Products OE |
| 2004 | BMW | X5 | 4.4L | V8 | GAS | Downstream Left | Downstream left oxygen sensor required.; 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.