Walker 250-23502 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-23502 Oxygen Sensor for Nissan Vehicles

The Walker Products OE 250-23502 oxygen sensor is designed specifically for select Nissan models including the 200SX, 240SX, 300ZX, Maxima, Pulsar NX, 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 management system.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Nissan 200SX, 240SX, 300ZX, Maxima, Pulsar NX, and Sentra
• 7.01-inch wiring harness length for proper installation
• 20 gauge wire for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting type with 12.0 mm thread diameter
• Overall length of 10.55 inches for compatibility with OEM specifications

Walker Products OE Line and Part Specifications

The Walker Products OE line focuses on delivering emission control components that meet original equipment standards. The 250-23502 oxygen sensor is engineered to match the exact fit and function required by Nissan vehicles, ensuring consistent performance and durability. This sensor’s heated design allows for faster activation and improved emissions monitoring compared to non-heated sensors.

Detailed Product Description

This oxygen sensor features a 3-wire heated sensor type, which helps the sensor reach operating temperature quickly for accurate readings. The wiring harness length of 7.01 inches and 20 gauge wire size provide a balance between flexibility and durability. The radiused polygon male connector ensures a secure and precise connection to the vehicle’s wiring harness. The sensor mounts via a threaded 12.0 mm diameter fitting, matching OEM installation requirements. With an overall length of 10.55 inches, this sensor fits seamlessly into the designated sensor port on compatible Nissan models.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Nissan 200SX, 240SX, 300ZX, Maxima, Pulsar NX, and Sentra
• Helps resolve engine performance issues related to incorrect air-fuel mixture readings
• Reduces emissions by providing accurate data to the engine control unit
• Addresses check engine light triggers caused by sensor malfunction
• Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket or wrench for removal and installation
• Verify connector type matches the vehicle harness before installation
• Do not over-tighten the threaded sensor to prevent damage
• Check for any wiring damage or corrosion before connecting the new sensor

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for part number 250-23502 should be confirmed at the point of purchase, Walker typically offers coverage against defects in materials and workmanship to ensure reliability and long-term performance.