Walker 250-24466 Oxygen Sensor

Reliable Oxygen Sensor for BMW and Mercedes-Benz Vehicles

The Walker Products OE Oxygen Sensor 250-24466 is designed specifically for select BMW and Mercedes-Benz models, including the 535i, 740i, and CLK55 AMG. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance through precise air-fuel mixture measurement.

• Heated sensor type for faster response times
• Specific fit for BMW 535i, 535i xDrive, 535xi, 740i, 740Li and Mercedes-Benz C240, C320, CLK55 AMG, CLK320, CLK430, SLK55 AMG, X6
• 27.09-inch wiring harness length with 4 wires of 22 gauge
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 30.63 inches for proper fitment

Walker Products OE Line Overview

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor 250-24466 is engineered to provide reliable performance and durability, maintaining compliance with emissions standards for BMW and Mercedes-Benz vehicles. The OE line emphasizes precise fitment and quality materials to support long-term vehicle operation.

Detailed Product Description

This Walker oxygen sensor features a heated design that accelerates sensor activation, improving fuel efficiency and reducing emissions shortly after engine start. The 4-wire configuration includes a dedicated heater circuit and signal wires, ensuring accurate oxygen level readings. The 27.09-inch wiring harness length and radiused polygon male connector facilitate straightforward installation and secure electrical connection. Threaded mounting with an 18.0 mm diameter ensures compatibility with the exhaust system of specified BMW and Mercedes-Benz models. The overall length of 30.63 inches supports proper positioning within the exhaust stream for optimal sensor function.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved engine performance
• Helps resolve check engine light codes related to oxygen sensor failure
• Reduces emissions by ensuring proper catalytic converter operation
• Improves fuel economy by enabling precise fuel mixture adjustments
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Carefully remove the old oxygen sensor using an appropriate oxygen sensor socket. Verify the connector type matches the radiused polygon male connector on this sensor. Thread the new sensor into place by hand to avoid cross-threading, then tighten to manufacturer torque specifications. Reconnect the wiring harness securely and clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports reliable vehicle operation.