Walker 250-54105 Oxygen Sensor

Overview of Walker 250-54105 Oxygen Sensor

The Walker 250-54105 oxygen sensor is designed specifically for select Nissan and INFINITI models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Nissan and INFINITI vehicles including 370Z, Altima, Armada, and more
• 17.24-inch wiring harness length with 4 wires of 20 gauge measurement
• Threaded mounting with 18.0 mm thread diameter for reliable attachment
• Radiused polygon male connector for secure electrical connection
• Overall length of 20.79 inches for proper fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-54105) is engineered to meet the exact specifications of various Nissan and INFINITI models such as the Altima, Maxima, Pathfinder, Q50, Rogue, and TITAN series. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The sensor includes a 17.24-inch wiring harness with four 20-gauge wires, providing reliable signal transmission and durability. Its radiused polygon male connector ensures a secure and precise fit, minimizing the risk of electrical issues. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and stable positioning within the exhaust system.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with the original sensor installed on Nissan and INFINITI vehicles. Using a Walker Products OE sensor helps maintain proper emission control system function and supports compliance with environmental regulations.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for engine control units
• Helps resolve rough idling and poor fuel economy caused by faulty sensors
• Reduces emissions by ensuring proper air-fuel mixture adjustments
• Prevents check engine light triggers related to oxygen sensor faults
• Supports smooth engine performance and drivability

Installation Notes and Tips

When installing the Walker 250-54105 oxygen sensor, ensure the vehicle is compatible by verifying the make and model, including Nissan 370Z, Armada, or INFINITI QX60. Use appropriate tools to remove the old sensor carefully to avoid damaging the exhaust manifold or wiring harness. The threaded mounting and radiused polygon male connector require proper alignment for secure fitment. It is recommended to apply anti-seize compound on the threads to facilitate future removal. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 250-54105 may vary, Walker typically offers coverage against defects in materials and workmanship. Using this sensor helps maintain emission system integrity and supports compliance with vehicle manufacturer requirements.