Walker 250-23505 Oxygen Sensor - Downstream, Downstream Front or Upstream

Overview of Walker Products OE Oxygen Sensor 250-23505

The Walker Products OE Oxygen Sensor 250-23505 is designed specifically for select Nissan and INFINITI models, including the 200SX, Altima, I30, Maxima, and Sentra. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Nissan and INFINITI models
• Threaded mounting type with 12.0 mm thread diameter
• 16.46 inches wiring harness length for proper installation
• Radiused polygon female connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall sensor length of 20.0 inches

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor from the Walker Products OE series is engineered to provide a direct replacement for the original sensor, ensuring compatibility and performance consistency for Nissan and INFINITI vehicles. The product line emphasizes precise fitment and durability, supporting emission control systems effectively.

Product Description and Attributes

The Walker 250-23505 oxygen sensor is a heated sensor type, which allows it to reach operating temperature quickly for faster and more accurate readings. It features a 3-wire design with a wire gauge of 20, ensuring stable electrical signals. The sensor’s wiring harness length is 16.46 inches, providing sufficient length for proper routing and connection. The connector is a radiused polygon shape with a female gender, designed to match the original equipment connector for a secure fit. The sensor mounts via a threaded connection with a 12.0 mm thread diameter, and the overall length of the sensor is 20.0 inches, making it suitable for the specified Nissan and INFINITI models.

Compatible Vehicles and Common Applications

• Compatible with Nissan 200SX, Altima, Maxima, and Sentra models
• Compatible with INFINITI I30
• Used to monitor and regulate exhaust emissions
• Helps maintain optimal engine air-fuel ratio
• Supports emission control system compliance

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate tools for threaded sensor removal and installation
• Verify connector type matches the original to avoid wiring issues
• Check wiring harness length and routing to prevent damage
• Follow vehicle manufacturer torque specifications for sensor installation

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. The 250-23505 part number undergoes rigorous quality control to maintain consistency and fitment accuracy. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, providing confidence in the sensor’s long-term operation.