Walker 250-54111 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-54111

The Walker Products OE Oxygen Sensor 250-54111 is designed specifically for select Acura and Honda models, including the Civic, CR-Z, and TSX. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fit and reliable performance.

• Heated oxygen sensor with 4 wires for accurate readings
• Specific fit for Acura and Honda models such as City, Fit, ILX, and Insight
• 9.37-inch wiring harness length with 20 gauge wire
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 12.91 inches for proper installation

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 250-54111) is engineered with a heated sensor type to provide faster response times and improved emissions control. The 4-wire design supports both the sensor element and the heater circuit, enhancing durability and accuracy. The wiring harness length of 9.37 inches and 20 gauge wire ensure optimal electrical performance. The sensor’s threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation in compatible exhaust systems. The radiused polygon male connector is designed to match factory specifications, reducing the risk of connection issues.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor is part of that line, ensuring it matches the fit, form, and function required by Acura and Honda vehicles. Using a Walker Products OE sensor helps maintain factory-level emissions performance and sensor reliability.

Compatible Vehicles and Common Applications

• Acura models: ILX, TSX
• Honda models: City, Civic, CR-Z, Fit, Insight
• Replacement for factory oxygen sensors in emission control systems
• Helps address issues such as poor fuel economy and rough idling
• Used to maintain proper air-fuel mixture and reduce emissions

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches factory harness before installation
• Do not over-tighten the sensor; follow torque specifications
• Check for exhaust leaks after installation to ensure sensor accuracy

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 250-54111 part number undergoes rigorous testing to ensure compatibility and reliability in Acura and Honda vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.