Walker 250-24392 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 250-24392 Oxygen Sensor

The Walker 250-24392 oxygen sensor is designed specifically for select BMW and Land Rover models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for BMW 3 Series, 5 Series, and Land Rover Range Rover, X3, X5 models
• 36.54 inches wiring harness length and 40.08 inches overall length
• Thread diameter of 18.0 mm for threaded mounting
• Connector with radiused polygon shape and female gender
• Wire gauge measurement of 20 for reliable signal transmission

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24392) is engineered to meet the exact specifications of various BMW and Land Rover vehicles, including BMW 320i, 323Ci, 325i, 328i, 330i, 525i, 528i, 530i, and Land Rover Range Rover, X3, X5, Z3, and Z4 models. The sensor’s heated design allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire setup includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The 18.0 mm threaded mounting type provides a secure fit, while the radiused polygon female connector ensures proper electrical connection. With a wiring harness length of 36.54 inches and an overall length of 40.08 inches, this sensor is designed for straightforward installation in the specified vehicles.

Walker Products OE Brand Line

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, providing a direct replacement solution that maintains the integrity of the vehicle’s emission control system. Using Walker Products OE parts helps ensure compatibility and performance consistent with the original sensor installed by the manufacturer.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for BMW 3 Series and 5 Series models
• Helps resolve engine performance issues related to faulty oxygen sensors
• Reduces emissions and improves fuel economy in Land Rover Range Rover and X series vehicles
• Eliminates check engine light triggers caused by sensor failure
• Prevents rough idling and poor acceleration linked to oxygen sensor problems

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the threaded sensor. Verify the connector type matches the vehicle harness before installation. Avoid damaging the wiring harness during installation and confirm the sensor is securely threaded to prevent exhaust leaks. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. While specific warranty details may vary, Walker typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.