Walker 250-24483 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 250-24483 Oxygen Sensor for Lexus LS430 and SC430

The Walker 250-24483 oxygen sensor is designed specifically for Lexus LS430 and SC430 models, 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 with 4-wire configuration
• Specific fit for Lexus LS430 and SC430
• 29.06-inch wiring harness length for flexible placement
• 20-gauge wire for reliable signal transmission
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon male connector for secure connection
• Overall length of 32.6 inches for proper fitment

Detailed Product Description and Attributes

This Walker Products OE oxygen sensor (part number 250-24483) is engineered to meet the exact specifications of Lexus LS430 and SC430 vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 4-wire setup with 20-gauge wiring, providing accurate oxygen level readings to the engine control unit. The wiring harness length of 29.06 inches offers sufficient reach for installation without excess slack. The sensor features a threaded mounting type with an 18.0 mm thread diameter, ensuring a secure and leak-free fit. The connector is a radiused polygon shape with a male gender, designed to match the factory wiring harness for a direct replacement.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, providing reliable performance and durability for emission control systems. Using a Walker Products OE sensor helps maintain factory-level emissions compliance and engine efficiency in Lexus LS430 and SC430 models.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for improved fuel economy
• Resolves check engine light triggers related to oxygen sensor faults
• Helps reduce harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 250-24483 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 leaks. Inspect wiring for damage and secure the harness to prevent strain or disconnection.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain the emission system’s integrity and supports compliance with environmental regulations.