Walker 350-64002 Oxygen Sensor - Upstream

Reliable Oxygen Sensor for Saab 9-2X and Subaru Impreza

The Walker 350-64002 oxygen sensor is designed specifically for select Saab and Subaru models, including the 9-2X and Impreza. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data.

• Heated sensor type for faster response times
• Specific fit for Saab 9-2X and Subaru Impreza models
• 28.66-inch wiring harness length for flexible installation
• 20-gauge wire with 4-wire configuration for reliable signal transmission
• Radiused polygon male connector for secure connection
• 18.0 mm threaded mounting for direct replacement
• Overall length of 32.2 inches to accommodate factory fitment

Walker Products Aftermarket Line Overview

Walker Products Aftermarket offers a comprehensive range of emission control components engineered to meet or exceed OEM specifications. The 350-64002 oxygen sensor is part of this line, providing a direct-fit solution with precise wiring and connector design tailored for specific vehicle applications. This ensures compatibility and reliable performance in emission systems.

Detailed Product Description

This Walker oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the sensor signal and two for the heater circuit, ensuring consistent sensor operation. The radiused polygon male connector matches factory wiring harnesses, simplifying installation without modification. With an 18.0 mm threaded mounting, this sensor installs securely in the exhaust system. The wiring harness length of 28.66 inches and overall length of 32.2 inches provide the necessary reach for proper placement in Saab 9-2X and Subaru Impreza models.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for improved fuel economy
• Resolves check engine light codes related to oxygen sensor failure
• Helps reduce harmful emissions by maintaining proper air-fuel ratio
• Prevents rough idling and engine hesitation caused by faulty sensors
• Supports optimal catalytic converter function by providing correct sensor data

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully to avoid damaging the exhaust threads. The 350-64002 sensor’s specific fit and connector design allow for a straightforward replacement without splicing or adapter use. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Reconnect the wiring harness securely to prevent signal interruptions.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. The 350-64002 part number undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.