Walker 350-34628 Oxygen Sensor - Downstream

Overview of Walker 350-34628 Oxygen Sensor for Hyundai and Kia

The Walker 350-34628 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Optima and Sonata. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine control unit.

• Heated oxygen sensor with 4-wire configuration
• Specific fit for Hyundai Optima and Kia Sonata
• 18.23-inch wiring harness length for proper installation
• Threaded mounting type with 18.0 mm thread diameter
• Radiused polygon female connector for secure connection
• Wire gauge measurement of 20 for durability and signal integrity
• Overall length of 21.77 inches for compatibility with OEM specifications

Detailed Product Description and Attributes

This Walker oxygen sensor (part number 350-34628) features a heated sensor type that allows for faster warm-up times and improved emissions control. The 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring reliable operation under various driving conditions. The wiring harness length of 18.23 inches and overall length of 21.77 inches are engineered to match the specific routing and mounting requirements of Hyundai Optima and Kia Sonata models. The sensor mounts via a threaded connection with an 18.0 mm diameter, providing a secure and leak-free fit. The radiused polygon female connector ensures a precise and stable electrical connection, reducing the risk of signal loss or corrosion. The 20-gauge wire measurement supports durability and consistent signal transmission.

Walker Products Aftermarket Line Information

The Walker Products Aftermarket line offers replacement emission control components designed to meet or exceed OEM standards. This product line focuses on providing reliable, vehicle-specific parts that maintain proper emissions system function. The 350-34628 oxygen sensor is part of this line, ensuring compatibility and performance for Hyundai and Kia vehicles requiring precise sensor specifications.

Common Applications and Issues Addressed

• Restores accurate oxygen sensing for proper air-fuel mixture control
• Helps resolve check engine light triggers related to oxygen sensor faults
• Improves fuel efficiency by providing correct emissions data
• Reduces harmful exhaust emissions by maintaining sensor accuracy
• Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the Walker 350-34628 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the connector type matches the vehicle harness before installation. Properly route the wiring harness to prevent contact with hot or moving parts. Torque the sensor to manufacturer specifications to ensure a secure fit and prevent exhaust leaks.

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 350-34628 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in emission control applications.