Walker 250-241105 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-241105

The Walker Products OE Oxygen Sensor 250-241105 is designed specifically for select Nissan and Infiniti models, including the Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor with 4-wire configuration for accurate readings
• Specific fit for Nissan and Infiniti vehicles including Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra
• 9.37-inch wiring harness length and 12.91-inch overall length for optimal installation
• Thread diameter of 18.0 mm with threaded mounting type
• Radiused polygon male connector designed for secure connection
• Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a heated sensor type to provide faster warm-up times and improved emissions control. The 4-wire design supports both the sensor element and the heater circuit, enhancing sensor responsiveness. The wiring harness length of 9.37 inches and overall length of 12.91 inches allow for proper routing and fitment within the engine bay. The sensor’s 18.0 mm threaded mounting ensures compatibility with the exhaust system of the specified Nissan and Infiniti models. The radiused polygon male connector provides a secure and precise electrical connection, reducing the risk of signal loss or disconnection.

Walker Products OE Brand Line Information

Walker Products OE focuses on delivering emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of their OE line, which emphasizes exact fitment and reliable performance for specific vehicle applications. Using parts from the Walker Products OE line helps maintain factory-level emissions control and sensor accuracy.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Nissan Frontier, Murano, Pathfinder, QX60, Rogue, and Xterra
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel efficiency by ensuring proper sensor operation

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 new one with the 18.0 mm threaded mounting. Verify the connector matches the radiused polygon male type for proper connection. Avoid twisting or damaging the wiring harness during installation. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

The Walker Products OE oxygen sensor 250-241105 is manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports vehicle reliability.