Walker 250-22011 Oxygen Sensor - Downstream

Overview of Walker 250-22011 Oxygen Sensor for Lexus LS400

The Walker 250-22011 oxygen sensor is designed specifically for the Lexus LS400, ensuring precise emission control and optimal engine performance. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Wiring harness length: 15.28 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Wire quantity: 2 wires
• Connector shape: Radiused polygon
• Connector gender: Male
• Thread diameter: 18.0 mm
• Overall length: 18.82 inches
• Mounting type: Threaded

Detailed Product Description

This oxygen sensor, part number 250-22011, is engineered for specific fitment on the Lexus LS400. It features a 15.28-inch wiring harness and 20-gauge wires, providing reliable electrical connectivity. The sensor is non-heated, which suits applications where heated sensors are not required. Its radiused polygon male connector ensures a secure and precise connection to the vehicle’s wiring system. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and a tight seal to prevent exhaust leaks. The overall length of 18.82 inches accommodates proper placement within the exhaust system.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. This oxygen sensor from the Walker Products OE line is designed to provide consistent performance and durability, matching the standards expected for the Lexus LS400’s emission control system.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by accurately monitoring oxygen levels
• Prevents engine performance issues related to faulty sensors
• Addresses check engine light triggers related to oxygen sensor faults
• Supports optimal fuel economy by ensuring sensor accuracy

Installation Notes and Tips

• Ensure the vehicle is cool before installation to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector compatibility with the radiused polygon male connector
• Do not over-tighten the sensor to prevent thread damage
• Check wiring harness length (15.28 inches) for proper routing

Quality Assurance and Warranty

Walker oxygen sensors are manufactured to meet strict quality standards, ensuring reliable operation within the Lexus LS400 emission system. While specific warranty details for part number 250-22011 should be confirmed at the point of purchase, Walker Products OE parts typically come with a limited warranty covering defects in materials and workmanship.