Walker 250-54054 Oxygen Sensor - Upstream, Upstream Front or Upstream Rear

Overview of Walker 250-54054 Oxygen Sensor

The Walker 250-54054 oxygen sensor is designed specifically for select Lexus and Toyota models, including the Avalon, Camry, ES300, Highlander, RAV4, RX300, Sienna, and Solara. This heated oxygen sensor provides accurate emissions monitoring to help maintain engine performance and fuel efficiency.

• Heated sensor type for faster response times
• Specific fit for Lexus and Toyota vehicles
• 11.34-inch wiring harness length for proper installation
• 20 gauge wire measurement with 4 wires for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 14.88 inches for optimal placement

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts that meet or exceed OEM specifications. The Walker Products OE line ensures compatibility and durability, making it a suitable replacement part for maintaining factory-level performance in your Lexus or Toyota vehicle.

Product Description and Attributes

The Walker 250-54054 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control and engine efficiency. The sensor includes a wiring harness length of 11.34 inches and uses 20 gauge wires with a total of four wires, ensuring accurate and stable signal transmission. Its radiused polygon male connector is designed for a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation. The overall length of 14.88 inches accommodates proper sensor placement within the exhaust system.

Common Applications and Issues Addressed

• Helps reduce engine misfires and rough idling
• Improves fuel economy by providing accurate air-fuel ratio data
• Reduces harmful emissions for compliance with environmental standards
• Prevents check engine light triggers related to oxygen sensor faults
• Supports optimal catalytic converter performance

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-54054 oxygen sensor by threading it securely into place. Verify the connector matches the radiused polygon male design for proper connection. Avoid damaging the wiring harness during installation and confirm the sensor wiring length is sufficient for your vehicle’s exhaust layout.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-54054 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Lexus and Toyota vehicles.