Walker 250-24685 Oxygen Sensor - Downstream Left

Overview of Walker 250-24685 Oxygen Sensor for Lexus Models

The Walker 250-24685 oxygen sensor is designed specifically for select Lexus vehicles, including the GS300, IS300, IS350, RC300, and RC350. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

• Heated oxygen sensor with 4-wire configuration for reliable operation
• Specific fit for Lexus GS300, IS300, IS350, RC300, and RC350 models
• 42.05-inch wiring harness length with 22-gauge wire for durability
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• Male connector with radiused polygon shape for proper connection
• Overall length of 45.59 inches to accommodate factory fitment

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including part number 250-24685, delivers consistent performance and durability tailored to specific vehicle applications.

Technical Description and Features

The Walker 250-24685 oxygen sensor features a heated sensor type that allows for faster warm-up times and improved emissions control under various operating conditions. The 4-wire design includes two wires for the heating element and two for the sensor signal, enhancing responsiveness and accuracy. The wiring harness length of 42.05 inches and overall length of 45.59 inches provide proper reach and fitment within the engine bay. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure and leak-free installation. The male connector with a radiused polygon shape is engineered for a precise fit with the vehicle’s wiring harness, reducing the risk of connection issues.

Applications and Common Issues Addressed

• Helps maintain proper air-fuel ratio for Lexus GS300, IS300, IS350, RC300, and RC350
• Reduces emissions by providing accurate oxygen level readings to the engine control unit
• Prevents engine performance problems such as rough idling or hesitation
• Addresses check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by ensuring optimal combustion

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns
• Use appropriate tools to avoid damaging the 18.0 mm threaded sensor mount
• Verify connector type matches the male radiused polygon shape for proper connection
• Check wiring harness length (42.05 inches) to confirm fitment without strain
• Follow vehicle manufacturer torque specifications when installing the sensor

Quality Assurance and Warranty

Walker Products OE oxygen sensors, including part number 250-24685, 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 to ensure reliability throughout the sensor’s service life.