Walker 250-54059 Oxygen Sensor

Overview of Walker 250-54059 Oxygen Sensor

The Walker 250-54059 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Camry, Highlander, and Tacoma. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota vehicles
• 12.32-inch wiring harness length with 4 wires
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 15.87 inches for proper installation
• 20 gauge wire for reliable signal transmission

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-54059 oxygen sensor from this line is engineered to provide consistent performance and durability, matching the exact fit and function required by Lexus and Toyota vehicles. This ensures compatibility and reliable operation within the vehicle’s emission control system.

Product Features and Specifications

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire configuration supports both the sensor signal and heater circuit, while the 12.32-inch wiring harness length provides sufficient reach for installation. The radiused polygon male connector ensures a secure and precise connection to the vehicle’s wiring harness. Threaded mounting with an 18.0 mm diameter allows for straightforward installation in the exhaust system.

Compatible Lexus and Toyota Models

• Lexus ES300, ES330, ES350, RX330, RX350, RX350L, RX400h, RX450h, RX450hL, NX300h
• Toyota 4Runner, Avalon, Camry, Highlander, Hilux, RAV4, Sienna, Solara, Tacoma, Venza

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. The 12.32-inch wiring harness length provides flexibility, but routing should avoid heat sources and moving parts. Tighten the sensor to manufacturer torque specifications to prevent leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation and durability. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports vehicle longevity.