Walker 250-23089 Oxygen Sensor

Overview of Walker Products OE Oxygen Sensor 250-23089

The Walker Products OE Oxygen Sensor 250-23089 is designed for precise emission control in select INFINITI, Mercury, and Nissan vehicles. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for INFINITI, Mercury, and Nissan models
• 15.28-inch wiring harness length for flexible installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 18.82 inches for proper fitment
• 20 gauge wire for reliable signal transmission

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-23089) is engineered to meet the exact specifications of various INFINITI, Mercury, and Nissan vehicles, including models such as the 200SX, 300ZX, Frontier, G20, I30, Maxima, NX, Pathfinder, Q45, Quest, QX4, Sentra, Villager, and Xterra. Featuring a heated sensor type, it provides faster response times and improved accuracy in monitoring exhaust gases. The sensor’s 3-wire design supports efficient heating and signal output, while the 15.28-inch wiring harness length allows for convenient routing during installation. The radiused polygon male connector ensures a secure and precise electrical connection, reducing the risk of signal loss or disconnection. Threaded mounting with an 18.0 mm diameter guarantees a tight fit in the exhaust system, maintaining sensor stability and performance.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory standards. This oxygen sensor is part of that line, ensuring compatibility and reliability for emission control systems in specific vehicle makes and models. Using a Walker Products OE sensor helps maintain the integrity of the vehicle’s emissions system and supports compliance with environmental regulations.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent failed emissions tests
• Eliminates rough idling and poor fuel economy caused by sensor failure
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-23089, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Route the wiring harness carefully to prevent contact with hot exhaust components or moving parts. Torque the sensor to manufacturer specifications to ensure a proper seal and sensor function.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are 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 the vehicle’s emission system integrity and supports long-term reliability.