Walker 250-24344 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 250-24344 Oxygen Sensor for Lexus and Toyota

The Walker 250-24344 oxygen sensor is designed specifically for select Lexus and Toyota models, including the 4Runner, FJ Cruiser, GX460, Land Cruiser, LX570, Sequoia, Tacoma, Tundra, and Venza. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

• Heated sensor type for faster response times
• 7.4-inch wiring harness length with 20-gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 10.94 inches for precise fitment

Detailed Features and Specifications

The Walker 250-24344 oxygen sensor features a heated sensor element that allows quicker activation and more reliable readings under various operating conditions. Its 7.4-inch wiring harness and 20-gauge wires provide durability and ease of installation. The sensor uses a four-wire design, which includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level detection. The connector is a radiused polygon male type, designed for a secure and specific fit. The threaded mounting with an 18.0 mm diameter ensures compatibility with the exhaust system of the specified Lexus and Toyota models.

Walker Products OE Line Information

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts tailored to exact vehicle specifications. The OE line emphasizes precise fitment and reliable performance, making the 250-24344 sensor a direct replacement for factory-installed components on compatible Lexus and Toyota vehicles.

Common Applications and Problem Resolution

• Restores proper air-fuel mixture readings for improved fuel efficiency
• Resolves check engine light issues related to oxygen sensor faults
• Helps reduce harmful emissions by providing accurate exhaust gas data
• Prevents engine performance problems caused by faulty sensor signals
• Ensures compliance with emissions regulations for affected Lexus and Toyota models

Installation Notes and Tips

When installing the Walker 250-24344 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the connector matches the radiused polygon male type for a secure connection. Thread the sensor carefully into the exhaust port with the 18.0 mm diameter to prevent cross-threading. Verify wiring harness length and routing to prevent interference with moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The 250-24344 part number is backed by Walker's quality assurance protocols, ensuring reliable operation in compatible Lexus and Toyota vehicles. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.