Walker 250-24951 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Overview of Walker 250-24951 Oxygen Sensor

The Walker 250-24951 oxygen sensor is designed specifically for select Nissan and Suzuki vehicles, including models like the Frontier, Pathfinder, and Xterra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance through precise air-fuel mixture monitoring.

• Heated sensor type for faster activation
• Specific fit for Nissan and Suzuki models
• Threaded mounting with 18.0 mm thread diameter
• 8.39-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 11.93 inches for proper installation

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24951 oxygen sensor from this line is engineered to provide reliable emissions control and durability, maintaining the performance standards expected in Nissan and Suzuki vehicles such as the NV350 Urvan and NV2500.

Technical Description and Features

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The sensor includes a radiused polygon male connector with four 20-gauge wires, ensuring a secure and stable electrical connection. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in compatible exhaust systems. The wiring harness length of 8.39 inches and overall length of 11.93 inches are designed to fit specific Nissan and Suzuki models without modification.

Common Applications and Problem Resolution

• Helps correct inaccurate air-fuel mixture readings
• Resolves engine performance issues related to faulty oxygen sensors
• Reduces emissions by providing precise feedback to the engine control unit
• Addresses check engine light triggers related to sensor failure
• Improves fuel economy by maintaining proper combustion

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 250-24951 oxygen sensor by threading it securely into place. Verify the connector matches the radiused polygon male type and that the wiring harness length is sufficient for your vehicle’s routing. Proper torque specifications should be followed to prevent damage to the sensor or exhaust system.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details for part number 250-24951 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Nissan and Suzuki vehicles.