Walker 350-34322 Oxygen Sensor - Center or Downstream

Overview of Walker 350-34322 Oxygen Sensor

The Walker 350-34322 oxygen sensor is designed for specific vehicle applications including Mazda, Saab, Scion, and Subaru models. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring precise fit and reliable performance in emission control systems.

• Heated oxygen sensor for accurate emissions monitoring
• Specific fit for Mazda CX-5, CX-9, Subaru Forester, Impreza, and more
• Threaded mounting with 18.0 mm thread diameter
• 25.12-inch wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 28.66 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34322) is engineered to meet the exact specifications of select Mazda, Saab, Scion, and Subaru vehicles. The sensor type is heated, which allows it to reach operating temperature quickly for improved emissions control and fuel efficiency. The 4-wire design with 20 gauge wiring ensures reliable signal transmission, while the 25.12-inch wiring harness length provides sufficient reach for installation in the engine bay. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter guarantee a secure and precise fit, reducing the risk of leaks or sensor failure.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following makes and models:

• Mazda CX-5, CX-9
• Saab 9-2X
• Scion FR-S
• Subaru Baja, Forester, Impreza, Legacy, Outback

Common Issues Addressed by This Oxygen Sensor

• Check engine light triggered by faulty oxygen sensor readings
• Poor fuel economy due to incorrect air-fuel mixture
• Increased emissions and failed emissions tests
• Engine performance issues such as rough idling or hesitation
• Sensor failure caused by wiring or connector damage

Installation Notes and Tips

When installing the Walker 350-34322 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Verify the connector shape and gender match the vehicle harness to avoid connection issues. The 25.12-inch wiring harness length provides flexibility during installation, but routing should avoid excessive heat or moving parts to prevent damage.

Quality Assurance and Warranty

Walker Products Aftermarket parts are manufactured to meet or exceed OEM standards for durability and performance. The 350-34322 oxygen sensor undergoes rigorous testing to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.