Walker 250-24172 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 250-24172 Oxygen Sensor for Lexus SC400

The Walker 250-24172 oxygen sensor is designed specifically for the Lexus SC400, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Lexus SC400 models
• 29.45-inch wiring harness length for flexible installation
• 20 gauge wire with 4-wire configuration
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Overall length of 32.99 inches

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24172) is engineered to meet the exact specifications required by Lexus SC400 vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes a 20 gauge wire gauge measurement, providing durability and consistent signal transmission. The wiring harness length of 29.45 inches offers sufficient reach for installation without excess slack.

The sensor’s mounting type is threaded with an 18.0 mm thread diameter, ensuring a secure fit in the exhaust system. The connector features a radiused polygon shape with a male gender, designed to match the factory wiring harness for a direct replacement. The overall length of 32.99 inches supports proper positioning within the vehicle’s emission control system.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a reliable and precise fit for the Lexus SC400. The OE designation indicates that this sensor is designed to match the original sensor’s performance and durability, supporting proper engine management and emissions compliance.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Lexus SC400
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level readings
• Prevents check engine light triggers caused by sensor malfunction
• Supports fuel economy improvements through precise sensor feedback

Installation Notes and Tips

When installing the Walker 250-24172 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector shape and gender match the factory harness before installation. Properly torque the sensor to the manufacturer’s specifications to prevent exhaust leaks. The 29.45-inch wiring harness length allows for straightforward routing without stretching or pinching wires.

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 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 the longevity of the vehicle’s emission control system.