Walker 250-24794 Oxygen Sensor - Downstream

Overview of Walker 250-24794 Oxygen Sensor for Nissan Altima and Rogue

The Walker 250-24794 oxygen sensor is designed specifically for Nissan Altima and Rogue models, providing precise emission control monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated sensor type for faster response times
• Specific fit for Nissan Altima and Rogue vehicles
• 16.26-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 19.8 inches for correct positioning

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE components are engineered to meet or exceed factory specifications, ensuring compatibility and durability for emission control systems in Nissan vehicles.

Technical Description and Features

The Walker 250-24794 oxygen sensor features a heated design that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire configuration supports both the sensor signal and heater circuit, enhancing sensor responsiveness. The radiused polygon male connector ensures a secure and precise fit, minimizing the risk of connection issues. With a threaded mounting type and an 18.0 mm thread diameter, this sensor installs directly into the exhaust system for accurate monitoring of oxygen levels.

Common Applications and Problem Resolution

• Helps correct engine running issues caused by faulty oxygen sensors
• Reduces rough idling and engine hesitation in Nissan Altima and Rogue
• Improves fuel economy by providing accurate air-fuel ratio data
• Assists in passing emissions tests by maintaining proper exhaust gas readings
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct 18.0 mm socket for sensor removal and installation. Verify the connector orientation matches the radiused polygon male design for a secure fit. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

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 may vary, Walker typically offers coverage against defects in materials and workmanship. Refer to the product documentation for exact warranty terms related to part number 250-24794.