Walker 350-34297 Oxygen Sensor - Downstream Rear

Overview of Walker 350-34297 Oxygen Sensor

The Walker 350-34297 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Hyundai Magentis, Kia Optima, Santa Fe, and Sonata
• 22.76-inch wiring harness length for flexible installation
• 20-gauge wire for durability and signal integrity
• Radiused polygon male connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 26.3 inches for proper fitment

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34297) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate oxygen level readings. The 4-wire configuration includes two wires for the heater circuit and two for the sensor signal, ensuring consistent performance. The wiring harness length of 22.76 inches and 20-gauge wire size allow for reliable electrical connections without signal loss. The radiused polygon male connector is designed for a secure and precise fit, minimizing the risk of disconnection or corrosion. The threaded mounting type with an 18.0 mm diameter ensures compatibility with the exhaust system of Hyundai and Kia models such as the Magentis, Optima, Santa Fe, and Sonata.

Walker Products Aftermarket Line

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 that supports vehicle emissions compliance and engine efficiency. The product line emphasizes quality materials and precise engineering to maintain the integrity of your vehicle’s emission system.

Common Applications and Issues Addressed

• Restores accurate air-fuel ratio readings for improved fuel economy
• Helps resolve check engine light triggers related to oxygen sensor faults
• Reduces emissions by ensuring proper catalytic converter function
• Eliminates rough idling or engine hesitation caused by faulty sensors
• Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the Walker 350-34297 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. The 22.76-inch wiring harness length provides flexibility, but routing should avoid excessive heat or moving parts. Tighten the sensor to the manufacturer’s torque specifications to prevent leaks.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. While specific warranty details for part number 350-34297 may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures reliable performance and durability for your Hyundai or Kia vehicle’s emission control system.