Walker 250-24514 Oxygen Sensor - Upstream

Overview of Walker 250-24514 Oxygen Sensor for Nissan Vehicles

The Walker 250-24514 oxygen sensor is designed specifically for Nissan D21 and Pathfinder 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 D21 and Pathfinder models
• 68.03 inches wiring harness length for flexible routing
• Threaded mounting with 12.0 mm thread diameter
• Radiused polygon male connector for reliable connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 71.57 inches for proper placement

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-24514) is engineered to meet the exact specifications required by Nissan D21 and Pathfinder vehicles. The sensor type is heated, which allows it to reach operating temperature quickly, improving emission control efficiency. It includes a 4-wire setup with a 20-gauge wire measurement, ensuring accurate signal transmission and durability under harsh engine conditions. The wiring harness length of 68.03 inches and overall length of 71.57 inches provide ample length for installation without strain. The sensor mounts via a threaded connection with a 12.0 mm diameter, compatible with the original equipment mounting points. The connector features a radiused polygon shape with a male gender, designed for a secure and precise fit.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet or exceed original equipment specifications. This oxygen sensor is part of that line, ensuring compatibility and performance for Nissan D21 and Pathfinder models. Walker Products OE parts are designed to integrate seamlessly with vehicle systems, supporting emission compliance and engine efficiency.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Nissan D21 and Pathfinder
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Addresses increased emissions and failed emissions tests
• Improves fuel economy by providing accurate oxygen level data
• Prevents rough idling and engine hesitation caused by sensor malfunction

Installation Notes and Tips

When installing the Walker 250-24514 oxygen sensor, 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 matches the radiused polygon male shape for proper connection. Route the wiring harness carefully to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-24514 undergoes rigorous testing to comply with emission control requirements for Nissan D21 and Pathfinder vehicles. Warranty information is available through authorized distributors and typically covers defects in materials and workmanship.