Walker 350-34166 Oxygen Sensor - Downstream

Overview of Walker Oxygen Sensor 350-34166 for Kia Vehicles

The Walker 350-34166 oxygen sensor is designed specifically for Kia Sephia and Spectra models, providing precise emission control monitoring. This heated oxygen sensor ensures accurate air-fuel mixture readings to support optimal engine performance and emissions compliance.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Kia Sephia and Spectra
• 18.62-inch wiring harness length for proper installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon male connector for secure connection
• Wire gauge measurement of 20 for reliable signal transmission
• Overall length of 22.17 inches for compatibility with OEM specifications

Detailed Product Features and Specifications

This Walker oxygen sensor (part number 350-34166) is a heated sensor designed to provide fast warm-up times and accurate oxygen level readings. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring stable operation under various engine conditions. The wiring harness length of 18.62 inches allows for proper routing and connection within the engine bay. The sensor’s threaded mounting type with an 18.0 mm diameter matches OEM specifications for a secure fit. The radiused polygon male connector ensures a reliable electrical connection, reducing the risk of signal loss or corrosion. With a wire gauge of 20, the sensor maintains consistent electrical performance over time.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct fit solution for Kia vehicles such as the Sephia and Spectra. The product line emphasizes durability and precise fitment to maintain vehicle emissions compliance and engine efficiency.

Common Applications and Problem Solving

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light issues related to oxygen sensor faults
• Improves fuel efficiency by providing correct sensor data to the engine control unit
• Reduces harmful emissions by ensuring proper catalytic converter operation
• Prevents drivability problems caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Walker 350-34166 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector is fully seated and locked to avoid electrical issues. Follow vehicle-specific torque specifications to secure the sensor properly. Inspect wiring harness routing to prevent contact with hot or moving parts.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. This part is manufactured to match OEM specifications for fit and function. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.