Walker 350-34389 Oxygen Sensor

Overview of Walker 350-34389 Oxygen Sensor

The Walker 350-34389 oxygen sensor is designed specifically for select Porsche, Saab, and Volvo models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Porsche 911, Saab 9-3, 9-5, and Volvo 850, 900, C70, S70, V70
• 26.69-inch wiring harness length with 20 gauge wire
• Four-wire configuration with radiused polygon male connector
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 30.24 inches for proper installation depth

Detailed Product Description

This oxygen sensor from Walker Products Aftermarket is engineered to meet the exact specifications required by your vehicle’s emission system. The heated sensor element allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The four-wire design includes a dedicated heater circuit and signal wires, ensuring reliable sensor operation. The radiused polygon male connector provides a secure and precise connection, minimizing electrical issues. With a threaded mounting type and an 18.0 mm thread diameter, installation aligns with factory standards for a proper seal and fit.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a comprehensive range of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific parts that support emission compliance and engine management systems. The 350-34389 oxygen sensor is part of this line, providing a direct replacement solution for Porsche, Saab, and Volvo models requiring precise sensor performance.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for engine control units
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel economy by ensuring proper combustion
• Reduces harmful emissions by maintaining correct sensor feedback
• Prevents rough idling and engine hesitation caused by faulty sensors

Installation Notes and Tips

Before installation, verify compatibility with your vehicle’s make and model, including Porsche 911, Saab 9-3 or 9-5, and Volvo 850, 900, C70, S70, or V70. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Ensure the threaded mounting is tightened to manufacturer torque specifications to prevent exhaust leaks. The 26.69-inch wiring harness length provides flexibility for routing during installation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors undergo rigorous testing to meet emission control standards. The 350-34389 part number is manufactured to precise specifications to ensure durability and consistent performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship, supporting long-term reliability in emission sensor applications.