Walker 250-24157 Oxygen Sensor - Upstream

Overview of Walker Products OE Oxygen Sensor 250-24157

The Walker Products OE Oxygen Sensor 250-24157 is designed specifically for select Lexus and Toyota models, including the Land Cruiser and LX450. This heated oxygen sensor features precise specifications to ensure accurate emission control and optimal engine performance.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Lexus Land Cruiser and Toyota LX450 models
• Wiring harness length of 8.39 inches and overall length of 11.93 inches
• Flange mount type with an 18.0 mm thread diameter
• Radiused polygon male connector for secure electrical connection
• Wire gauge measurement of 22 for durability and signal integrity

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor element to provide faster warm-up times and more accurate readings under various operating conditions. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance. The wiring harness length of 8.39 inches and overall length of 11.93 inches are tailored to fit the specific routing requirements of the Lexus Land Cruiser and Toyota LX450 exhaust systems. The flange mount design with an 18.0 mm thread diameter allows for secure installation and proper sealing. Additionally, the radiused polygon male connector ensures a reliable electrical connection, reducing the risk of signal loss or corrosion. The 22-gauge wire measurement balances flexibility and durability for long-term use.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor is part of that line, providing a direct replacement solution engineered to match the fit, form, and function of the original sensor installed on Lexus and Toyota vehicles. Using a Walker Products OE sensor helps maintain factory-level emission control and engine management system accuracy.

Common Applications and Problem Resolution

• Replacement for faulty or failing oxygen sensors in Lexus Land Cruiser and Toyota LX450
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Addresses increased emissions and failed emissions tests due to sensor malfunction
• Eliminates rough idling or hesitation caused by inaccurate oxygen sensor data
• Prevents potential damage to catalytic converters from improper sensor feedback

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24157, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the flange mount and thread diameter match the exhaust port. Connect the radiused polygon male connector securely to prevent electrical issues. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip. 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 undergo rigorous testing to ensure durability and performance. This part number 250-24157 is backed by Walker's quality assurance protocols, providing confidence in its reliability for Lexus Land Cruiser and Toyota LX450 applications. Warranty details are available through the manufacturer and typically cover defects in materials and workmanship under normal use.