Walker 250-21013 Oxygen Sensor - Downstream or Upstream

Overview of Walker 250-21013 Oxygen Sensor

The Walker 250-21013 oxygen sensor is designed specifically for select Jaguar and Nissan vehicles, including models like the 200SX, Maxima, and XJ6. This non-heated sensor provides precise emission control by monitoring exhaust gases to optimize engine performance and reduce emissions.

• Wiring harness length: 8.19 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Jaguar and Nissan models
• Single wire configuration
• Radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 11.73 inches
• Threaded mounting type

Detailed Product Description

This oxygen sensor from Walker Products OE is engineered to meet the exact specifications of various Jaguar and Nissan vehicles, including the Nissan 240SX, Pathfinder, and Jaguar Vanden Plas. The sensor features a non-heated design with a single 20-gauge wire, ensuring compatibility with the vehicle’s existing wiring harness. The radiused polygon female connector and 18.0 mm threaded mounting provide a secure and reliable fit. With an overall length of 11.73 inches and a wiring harness length of 8.19 inches, this sensor is designed for precise installation and optimal performance.

Walker Products OE Brand Line

Walker Products OE focuses on delivering original equipment quality emission control components. The 250-21013 oxygen sensor is part of this line, ensuring it meets stringent OEM standards for fit, form, and function. This product line is tailored to provide reliable sensor performance for specific vehicle applications, supporting emission compliance and engine efficiency.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by providing accurate exhaust gas readings
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers caused by sensor failure
• Supports smooth engine idling and acceleration

Installation Notes and Tips

Installation requires removing the old oxygen sensor and threading the Walker 250-21013 sensor into the exhaust manifold or pipe. Ensure the connector matches the vehicle’s wiring harness with its radiused polygon female design. Use appropriate tools to avoid damaging the 18.0 mm threaded fitting. Verify sensor wiring and secure connections before completing installation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet OEM specifications, ensuring durability and reliable performance. While specific warranty details for part number 250-21013 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term use.