Walker 250-24418 Oxygen Sensor - Downstream Rear

Overview of Walker 250-24418 Oxygen Sensor for Infiniti and Nissan

The Walker 250-24418 oxygen sensor is designed specifically for select Infiniti and Nissan models, including the Infiniti I35 and Nissan Maxima. 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 I35 and Nissan Maxima
• 37.13-inch wiring harness length for flexible installation
• 20-gauge wire for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 40.67 inches for proper fitment

Walker Products OE Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures that each sensor, including the 250-24418, delivers consistent performance and durability tailored to specific vehicle applications.

Product Description and Technical Specifications

The Walker 250-24418 oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. Its 4-wire design supports both the sensor signal and heater circuit, improving responsiveness and reducing emissions. The sensor’s wiring harness length of 37.13 inches and overall length of 40.67 inches provide ample reach for installation in the exhaust system of the Infiniti I35 and Nissan Maxima. The radiused polygon male connector ensures a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter allows for straightforward replacement without modifications.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas data
• Prevents engine performance issues related to faulty oxygen sensors
• Resolves check engine light triggers caused by sensor failure
• Supports fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

When installing the Walker 250-24418 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 connector matches the radiused polygon male design for a secure connection. Thread the sensor carefully into the exhaust port with the specified 18.0 mm diameter to prevent cross-threading. Verify wiring harness routing to prevent contact with hot or moving parts.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24418 part number undergoes rigorous testing to comply with emissions regulations and OEM fitment requirements. Warranty coverage details should be confirmed with the product documentation or supplier.