Walker 250-23087 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-23087

The Walker Products OE Oxygen Sensor 250-23087 is designed specifically for select Infiniti and Nissan models, including the 200SX, 300ZX, J30, and Q45. This heated oxygen sensor provides precise emissions control by accurately monitoring exhaust gases to optimize engine performance.

• Heated oxygen sensor with 3-wire configuration
• Specific fit for Infiniti and Nissan vehicles
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wiring harness length of 21.18 inches and overall length of 24.72 inches
• 20 gauge wire for reliable signal transmission

Detailed Product Features and Specifications

The Walker Products OE line focuses on providing original equipment quality parts that meet or exceed OEM standards. The 250-23087 oxygen sensor is a heated sensor type, which allows for faster warm-up times and improved emissions control under various operating conditions. It features a 3-wire design with 20 gauge wiring, ensuring accurate sensor readings and durability. The sensor’s wiring harness length measures 21.18 inches, while the overall length is 24.72 inches, allowing for proper fitment and installation in the exhaust system.

The sensor mounts via a threaded connection with an 18.0 mm thread diameter, compatible with the exhaust ports on the specified Infiniti and Nissan models. The connector is a radiused polygon shape with a male gender, designed to securely mate with the vehicle’s wiring harness and prevent disconnections or signal loss.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following vehicles:

• Infiniti J30
• Infiniti Q45
• Nissan 200SX
• Nissan 300ZX

It is engineered to replace the factory oxygen sensor in these models, ensuring proper emissions control and engine management system operation.

Common Issues Addressed by Oxygen Sensor 250-23087

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine hesitation or rough idling caused by sensor malfunction
• Reduced engine performance and drivability issues

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-23087, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector shape and wiring harness length match the vehicle’s specifications. Thread the sensor carefully to prevent cross-threading and tighten to the manufacturer’s torque specifications. 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 original equipment standards, providing reliable performance and durability. The 250-23087 oxygen sensor undergoes rigorous testing to ensure accurate emissions monitoring and long service life. Please refer to Walker’s warranty policy for specific coverage details.