Walker 250-241191 Oxygen Sensor - Downstream Front

Overview of Walker Products OE Oxygen Sensor 250-241191

The Walker Products OE Oxygen Sensor 250-241191 is designed specifically for Toyota Sienna models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 22.17-inch wiring harness and a 20-gauge wire measurement for reliable electrical connectivity.

• Heated oxygen sensor for faster response times
• Specific fit for Toyota Sienna vehicles
• 22.17-inch wiring harness length for proper installation
• 20-gauge wire measurement with 4 wires for accurate signal transmission
• Male connector with 18mm thread diameter for secure attachment
• Overall length of 25.71 inches to accommodate vehicle design

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-241191) is engineered to meet the exact specifications of Toyota Sienna models. The heated sensor type allows for quicker activation and improved fuel mixture readings, which helps maintain efficient engine operation and reduces harmful emissions. The 4-wire configuration supports both the sensor signal and the heating element, ensuring consistent performance under various driving conditions. The 18mm thread diameter and male connector design provide a secure and precise fit, minimizing installation issues.

The Walker Products OE line focuses on delivering original equipment quality parts that match or exceed factory standards. This oxygen sensor is part of that line, offering reliable durability and compatibility for emission control systems in Toyota vehicles.

Common Applications and Issues Addressed

• Helps correct engine misfires caused by faulty oxygen sensors
• Improves fuel efficiency by providing accurate air-fuel ratio data
• Reduces vehicle emissions to meet regulatory standards
• Prevents check engine light triggers related to sensor failure
• Supports smooth engine idling and acceleration performance

Installation Notes and Tips

• Ensure vehicle compatibility with Toyota Sienna models before installation
• Use proper tools to avoid damaging the 18mm threaded sensor
• Check wiring harness length (22.17 inches) for routing clearance
• Verify connector gender matches vehicle harness for seamless connection
• Follow manufacturer torque specifications to secure the sensor

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable operation and longevity. While specific warranty details for part number 250-241191 may vary, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the vehicle service manual for warranty and installation guidance.