Walker 350-34361 Oxygen Sensor - Downstream Front, Downstream Rear or Downstream Right

Overview of Walker 350-34361 Oxygen Sensor

The Walker 350-34361 oxygen sensor is designed for specific Ford, Lincoln, Mazda, and Mercury vehicles, including models like the CX-9, Edge, Explorer, and Fusion. 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 select Ford, Lincoln, Mazda, and Mercury models
• 10.35-inch wiring harness length with 4 wires
• 20 gauge wire for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 13.9 inches for proper installation

Detailed Product Description

This Walker oxygen sensor (part number 350-34361) is part of the Walker Products Aftermarket line, known for providing quality emission control components tailored to specific vehicle applications. The heated sensor design allows the unit to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 10.35-inch wiring harness and 20 gauge wire ensure consistent electrical performance, while the radiused polygon female connector offers a secure and precise fit. Threaded mounting with an 18.0 mm diameter simplifies installation and ensures a tight seal in the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Ford, Lincoln, Mazda, and Mercury vehicles, including but not limited to:

• Ford Edge, Explorer, Flex, Fusion, Taurus, Transit series (150, 250, 350, 350 HD)
• Lincoln Milan, MKS, MKT, MKX, MKZ
• Mazda CX-9
• Mercury Milan

Common Issues Addressed by This Oxygen Sensor

• Incorrect air-fuel mixture readings causing poor fuel economy
• Check engine light triggered by faulty oxygen sensor signals
• Increased emissions due to sensor malfunction
• Engine performance issues such as rough idling or hesitation
• Failed emissions tests related to sensor failure

Installation Notes and Tips

When installing the Walker 350-34361 oxygen sensor, ensure the vehicle is compatible with this specific fitment. The threaded mounting type requires proper torque to avoid exhaust leaks. The radiused polygon female connector should be securely connected to prevent signal loss. It is recommended to inspect the wiring harness for any damage and replace if necessary. Use anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Walker Products Aftermarket parts undergo rigorous testing to meet OEM standards for durability and performance. The 350-34361 oxygen sensor is manufactured to provide reliable operation within the specified vehicle applications. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region.