Walker 250-24479 Oxygen Sensor - Downstream Front

Overview of Walker 250-24479 Oxygen Sensor for Nissan Maxima

The Walker Products OE 250-24479 oxygen sensor is designed specifically for Nissan Maxima models, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Nissan Maxima vehicles
• 19.21-inch wiring harness length for flexible routing
• 20 gauge wire for reliable signal transmission
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 22.76 inches for proper fitment

Detailed Product Description

The Walker Products OE 250-24479 oxygen sensor is engineered to meet the exact specifications required by Nissan Maxima models. This heated sensor uses a 4-wire design, which includes two wires for the heating element and two for the sensor signal, ensuring faster warm-up times and accurate oxygen level readings. The 20 gauge wire measurement supports consistent electrical performance, while the 19.21-inch wiring harness length allows for convenient installation without excess slack. The sensor’s threaded mounting type with an 18.0 mm diameter ensures a secure fit in the exhaust system. Additionally, the radiused polygon male connector provides a reliable and precise connection to the vehicle’s wiring harness.

Walker Products OE Brand Line Information

Walker Products OE is a product line focused on delivering original equipment quality parts that meet or exceed OEM standards. This oxygen sensor is part of that line, ensuring compatibility and performance tailored to Nissan Maxima vehicles. The OE line emphasizes exact fitment and durability, making it suitable for emission control applications requiring precise sensor operation.

Common Applications and Issues Addressed

• Restores accurate air-fuel mixture readings for optimal engine performance
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing correct feedback to the engine control unit
• Reduces harmful emissions by maintaining proper combustion monitoring
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

• Ensure the vehicle is cool before removing the old sensor to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the sensor; follow torque specifications for Nissan Maxima
• Inspect wiring harness for damage and secure routing to prevent wear

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 250-24479 should be confirmed with the point of purchase, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Nissan Maxima vehicles.