Walker 250-24459 Oxygen Sensor - Downstream Left

Overview of Walker Products OE Oxygen Sensor 250-24459

The Walker Products OE Oxygen Sensor 250-24459 is designed specifically for Nissan Pathfinder models, ensuring precise emission control and optimal engine performance. 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 Pathfinder vehicles
• Threaded mounting with 18.0 mm thread diameter
• 45.2-inch wiring harness length for flexible installation
• 20 gauge wire measurement for durability and signal integrity
• Radiused polygon male connector for reliable connection
• Overall length of 48.74 inches

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24459) is engineered to meet the exact specifications of Nissan Pathfinder models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design supports both the sensor signal and the heating element, ensuring accurate oxygen level readings. The wiring harness length of 45.2 inches provides ample reach for installation in the vehicle’s exhaust system, while the 20 gauge wire ensures durability and consistent electrical performance. The sensor’s threaded mounting type with an 18.0 mm diameter allows for secure and precise placement. Additionally, the radiused polygon male connector ensures a proper fit with the vehicle’s wiring harness, minimizing the risk of connection issues.

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, designed to provide reliable emission control solutions tailored to specific vehicle applications like the Nissan Pathfinder. Using parts from the Walker Products OE line helps maintain the integrity of the vehicle’s emission system and supports compliance with environmental standards.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper air-fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased fuel consumption caused by faulty sensors
• Prevents check engine light related to oxygen sensor faults
• Supports emission system compliance and reduces exhaust emissions

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24459 on a Nissan Pathfinder, ensure the sensor is threaded securely with the correct torque to avoid exhaust leaks. Verify the connector matches the vehicle’s wiring harness to prevent electrical issues. It is recommended to inspect the wiring harness for damage before installation and replace any worn components. Use anti-seize compound on the threads if specified by the vehicle manufacturer to facilitate future removal.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part number 250-24459 undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Nissan Pathfinder vehicles.