Walker 350-34196 Oxygen Sensor - Upstream Rear

Overview of Walker 350-34196 Oxygen Sensor for Mazda Millenia

The Walker 350-34196 oxygen sensor is designed specifically for Mazda Millenia models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a 34.96-inch wiring harness and a threaded mounting type for secure installation.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Mazda Millenia vehicles
• 34.96-inch wiring harness length for flexible routing
• 20 gauge wire for reliable signal transmission
• Radiused polygon female connector for secure connection
• 18.0 mm thread diameter with threaded mounting
• Overall length of 38.5 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34196) is engineered to meet the exact specifications required by Mazda Millenia models. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring accurate oxygen level readings. The wiring harness length of 34.96 inches provides ample length for installation without excess slack.

The sensor features a radiused polygon female connector, designed to fit securely with the vehicle’s wiring harness, minimizing the risk of disconnection or signal loss. The threaded mounting type with an 18.0 mm thread diameter ensures a tight and secure fit in the exhaust system. With an overall length of 38.5 inches, this sensor is tailored for the Mazda Millenia’s specific layout.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This product line emphasizes precise fitment and durability, making it suitable for professional repairs and maintenance. The 350-34196 oxygen sensor is part of this line, offering a direct replacement solution for Mazda Millenia owners seeking dependable emission sensor performance.

Common Applications and Issues Addressed

• Replacement for faulty or failing oxygen sensors in Mazda Millenia
• Helps resolve engine performance issues related to incorrect air-fuel mixture
• Reduces emissions by providing accurate oxygen level data to the engine control unit
• Prevents check engine light triggers caused by sensor malfunctions
• Improves fuel economy by enabling proper combustion adjustments

Installation Notes and Tips

When installing the Walker 350-34196 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the exhaust threads. Verify the connector type matches the vehicle harness before installation. The 34.96-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot surfaces. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 350-34196 may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures that the oxygen sensor will perform reliably under normal operating conditions when installed correctly.