Walker 250-24397 Oxygen Sensor - Downstream or Downstream Front

Overview of Walker 250-24397 Oxygen Sensor for Nissan and Infiniti

The Walker 250-24397 oxygen sensor is designed specifically for select Nissan and Infiniti models, including the 200SX, G20, I30, and Maxima. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated oxygen sensor with 4-wire design for precise readings
• Specific fit for Nissan 200SX, G20, I30, and Infiniti Maxima
• Threaded mounting type with 18.0 mm thread diameter
• 19.61-inch wiring harness length with 20 gauge wire
• Female connector with radiused polygon shape for secure connection
• Overall length of 23.15 inches for proper installation

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24397) features a heated sensor type that allows for faster warm-up times and improved fuel efficiency. The sensor includes a 4-wire configuration, which supports both the sensor signal and heater circuit. The wiring harness length measures 19.61 inches, using 20 gauge wire to maintain signal integrity. The connector is female with a radiused polygon shape, ensuring a secure and reliable connection to the vehicle's wiring system. The sensor mounts via a threaded design with an 18.0 mm thread diameter, compatible with the exhaust system of the specified Nissan and Infiniti models.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution engineered to maintain the emissions control system's performance and reliability in Nissan and Infiniti vehicles.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light codes related to oxygen sensor failure
• Improves fuel economy by ensuring efficient combustion
• Reduces harmful emissions by maintaining proper sensor function
• Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Walker 250-24397 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications for a secure fit.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.