Walker 250-21023 Oxygen Sensor - Upstream

Overview of Walker 250-21023 Oxygen Sensor for Porsche 911, 924, 928

The Walker 250-21023 oxygen sensor is designed specifically for select Porsche models including the 911, 924, and 928. This non-heated sensor provides precise emission control by monitoring exhaust gases to optimize engine performance and reduce emissions.

• Wiring harness length: 16.26 inches
• Wire gauge measurement: 20 gauge
• Sensor type: Non heated
• Specific fit for Porsche 911, 924, and 928
• Single wire configuration
• Radiused polygon female connector
• Thread diameter: 18.0 mm
• Overall length: 19.8 inches
• Threaded mounting type

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality and fitment. The Walker Products OE line ensures that each sensor meets strict manufacturing standards to match the specifications of the original part, providing reliable performance and compatibility for Porsche vehicles.

Product Description and Technical Details

The Walker 250-21023 oxygen sensor features a non-heated design with a single 20-gauge wire, making it suitable for specific Porsche models such as the 911, 924, and 928. The sensor includes a radiused polygon female connector that ensures a secure and precise connection. With a wiring harness length of 16.26 inches and an overall length of 19.8 inches, this sensor is engineered for exact fitment. The threaded mounting type with an 18.0 mm thread diameter allows for straightforward installation and secure attachment to the exhaust system.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel mixture for efficient combustion
• Reduces harmful emissions by accurately monitoring oxygen levels
• Prevents engine performance issues related to faulty oxygen sensors
• Addresses check engine light triggers related to emission control
• Supports optimal fuel economy by providing accurate sensor data

Installation Notes and Tips

When installing the Walker 250-21023 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use appropriate tools to avoid damaging the radiused polygon female connector or wiring harness. Verify the sensor’s wiring harness length and connector type match the vehicle’s specifications for Porsche 911, 924, or 928 models. Proper torque should be applied to the threaded mounting to prevent leaks and ensure sensor stability.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed original equipment standards. The 250-21023 part number undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.