Walker 250-241129 Oxygen Sensor - Downstream Rear

Overview of Walker Products OE Oxygen Sensor 250-241129

The Walker Products OE Oxygen Sensor 250-241129 is designed specifically for select Lexus and Toyota models, including the Highlander, RX330, and RX350. This heated oxygen sensor features a threaded mounting type and a radiused polygon female connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Lexus Highlander, Toyota RX330, and RX350
• 23.15-inch wiring harness length for optimal installation
• 20 gauge wire measurement for durability and signal integrity
• Thread diameter of 18.0 mm with threaded mounting
• Radiused polygon female connector for secure connection
• Overall length of 26.69 inches for proper placement

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-241129) is engineered to meet the exact specifications of your vehicle’s emission control system. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions. With a 4-wire design, it provides accurate oxygen level readings to the engine control unit. The 23.15-inch wiring harness length and 20 gauge wire ensure reliable electrical performance, while the radiused polygon female connector and 18.0 mm threaded mounting provide a secure and precise fit. This sensor is tailored for specific fitment on Lexus Highlander and Toyota RX330 and RX350 models, ensuring compatibility and ease of installation.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, designed to provide reliable emission control performance and durability. Using Walker Products OE parts helps maintain the integrity of your vehicle’s emission system with components engineered for specific vehicle applications.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Lexus Highlander and Toyota RX330/RX350
• Helps resolve rough idling and poor fuel economy caused by inaccurate oxygen readings
• Reduces increased emissions due to sensor malfunction
• Addresses check engine light triggers related to oxygen sensor faults
• Improves engine performance by ensuring proper air-fuel mixture monitoring

Installation Notes and Tips

Installation requires removal of the old oxygen sensor and threading the new sensor into place using the 18.0 mm threaded mounting. Ensure the wiring harness is routed properly to avoid damage, and connect the radiused polygon female connector securely. The 23.15-inch wiring harness length provides flexibility for installation in the engine bay. It is recommended to use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 250-241129 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure long-term reliability.