Walker 250-24659 Oxygen Sensor - Downstream Left or Downstream Right

Overview of Walker Products OE Oxygen Sensor 250-24659

The Walker Products OE Oxygen Sensor 250-24659 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
• 45.2-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 48.74 inches for proper fitment

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24659 oxygen sensor is a heated sensor type, which allows for faster warm-up times and improved emission readings. It features a 4-wire design, including two heater wires and two signal wires, ensuring accurate oxygen level detection and efficient engine management. The sensor’s wiring harness length of 45.2 inches provides ample length for installation in the Nissan Pathfinder’s exhaust system. The connector is a radiused polygon male type, designed to fit securely and prevent disconnections. With an 18.0 mm thread diameter and threaded mounting type, this sensor installs directly into the exhaust manifold or pipe, maintaining a tight seal and proper sensor positioning.

Compatible Vehicles and Applications

This oxygen sensor is specifically compatible with Nissan Pathfinder models, making it a reliable replacement part for emission control system repairs or upgrades. It is engineered to work seamlessly with the vehicle’s engine control unit (ECU) to monitor exhaust oxygen levels and optimize fuel mixture for reduced emissions and improved fuel economy.

• Helps resolve issues related to poor fuel economy
• Addresses rough engine idle or hesitation
• Corrects check engine light triggers related to oxygen sensor faults
• Improves emission test performance
• Prevents catalytic converter damage due to incorrect air-fuel mixture

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24659, 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 type matches the vehicle’s harness before installation. Thread the sensor carefully into the exhaust port to avoid cross-threading. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet strict quality standards, ensuring durability and reliable performance. The 250-24659 oxygen sensor undergoes rigorous testing to comply with emission control requirements. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.