Walker 250-25073 Oxygen Sensor - Upstream Left or Upstream Right

Overview of Walker Products OE Oxygen Sensor 250-25073

The Walker Products OE Oxygen Sensor 250-25073 is designed specifically for select Porsche models, including the 918 Spyder, Boxster, Cayenne, Cayman, and Panamera. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fitment and reliable performance.

• Heated oxygen sensor with 5-wire configuration
• Specific fit for Porsche 918 Spyder, Boxster, Cayenne, Cayman, and Panamera
• 38.9-inch wiring harness length with 20-gauge wire
• Threaded mounting with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Overall length of 42.44 inches for optimal installation

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE is engineered with a 5-wire heated sensor design, which allows for faster warm-up times and improved emissions control. The wiring harness length of 38.9 inches and 20-gauge wire gauge measurement provide durability and ease of routing within the engine bay. The sensor’s threaded mounting type with an 18.0 mm thread diameter ensures a secure and leak-free installation. The radiused polygon male connector is designed to match the original equipment specifications, facilitating a direct replacement without modification.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet or exceed original equipment standards. This oxygen sensor is part of that line, offering precise fitment and reliable operation tailored to specific vehicle applications. Using parts from the Walker Products OE line helps maintain factory-level performance and emissions compliance for Porsche vehicles.

Applications and Common Issues Addressed

• Restores accurate air-fuel ratio readings for Porsche 918 Spyder, Boxster, Cayenne, Cayman, and Panamera
• Resolves check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing correct sensor data to the engine control unit
• Reduces harmful emissions by ensuring proper catalytic converter function
• Eliminates rough idling or poor engine performance caused by faulty sensors

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Use appropriate tools to remove the old sensor and install the new one with the 18.0 mm threaded mounting. Verify the connector shape and gender match the vehicle’s wiring harness to prevent connection issues. Avoid over-tightening to prevent damage to the sensor or mounting threads.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards and are tested for durability and performance. The 250-25073 part number comes with a limited warranty against defects in materials and workmanship, providing confidence in its reliability for Porsche emission control systems.