Walker 250-24244 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker 250-24244 Oxygen Sensor for Lexus Vehicles

The Walker 250-24244 oxygen sensor is designed specifically for select Lexus models, including the GS350, IS250, IS300, IS350, RC300, and RC350. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

• Heated oxygen sensor with 4-wire configuration for reliable operation
• Specific fit for Lexus GS350, IS250, IS300, IS350, RC300, and RC350 models
• Threaded mounting type with an 18.0 mm thread diameter for secure installation
• 41.85-inch wiring harness length with radiused polygon male connector
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 45.39 inches to accommodate factory fitment requirements

Detailed Product Description and Attributes

This Walker Products OE oxygen sensor (part number 250-24244) is engineered to meet the exact specifications of your Lexus vehicle. Featuring a heated sensor type, it includes four wires that provide faster warm-up times and improved sensor response. The 20-gauge wiring ensures consistent electrical performance, while the 41.85-inch wiring harness length allows for proper routing within the engine bay. The sensor’s radiused polygon male connector is designed for a secure and precise connection, reducing the risk of electrical faults. Its threaded mounting type with an 18.0 mm diameter matches factory standards, ensuring a proper seal and fit.

Walker Products OE 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 for Lexus vehicles that require precise emissions control components. The OE line emphasizes durability, fitment accuracy, and reliable sensor performance to maintain vehicle emissions compliance.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel efficiency
• Helps resolve check engine light codes related to oxygen sensor faults
• Reduces emissions by ensuring proper air-fuel mixture monitoring
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal catalytic converter function by providing correct sensor data

Installation Notes and Tips

When installing the Walker 250-24244 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon male shape matches the vehicle harness before installation. Properly route the 41.85-inch wiring harness to avoid contact with hot or moving parts. It is recommended to apply anti-seize compound on the threads if not pre-applied to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures that the 250-24244 oxygen sensor provides reliable service when installed in compatible Lexus models.