Walker 250-54117 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker 250-54117 Oxygen Sensor for Infiniti and Nissan

The Walker 250-54117 oxygen sensor is designed specifically for select Infiniti and Nissan models, including the Q50, Q60, and Z. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Infiniti Q50, Q60, and Nissan Z models
• 9.37-inch wiring harness length for precise installation
• 20 gauge wire for reliable signal transmission
• 18mm thread diameter and 12.91-inch overall length
• Male connector for secure electrical connection

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality components. Walker Products OE parts are engineered to meet or exceed OEM specifications, providing dependable performance and durability for emission control systems. The 250-54117 sensor maintains the standards expected from Walker’s OE line, ensuring compatibility and reliability for your Infiniti or Nissan vehicle.

Product Features and Technical Specifications

The Walker 250-54117 oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, improving responsiveness and durability. With a wiring harness length of 9.37 inches and an overall length of 12.91 inches, this sensor fits precisely in the exhaust system of the specified Infiniti and Nissan models. The 18mm thread diameter ensures proper mounting and sealing, while the male connector provides a secure electrical interface.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate oxygen level data
• Prevents engine performance issues related to faulty sensors
• Resolves check engine light triggers caused by oxygen sensor faults
• Supports smooth engine idling and acceleration in Infiniti Q50, Q60, and Nissan Z

Installation Notes and Tips

When installing the Walker 250-54117 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the sensor’s thread diameter matches the exhaust port (18mm) and connect the male connector securely. Verify the wiring harness length of 9.37 inches is sufficient for your vehicle’s routing. Proper installation will help maintain sensor accuracy and longevity.

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 for part number 250-54117 may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain compliance with emissions regulations and supports the proper functioning of your Infiniti or Nissan vehicle’s emission control system.