Walker 350-34266 Oxygen Sensor - Downstream Front, Upstream Front or Upstream Rear

Overview of Walker 350-34266 Oxygen Sensor

The Walker 350-34266 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 sensor type for faster response times
• Specific fit for Hyundai and Kia vehicles
• 13.7-inch wiring harness length with 4 wires
• 20 gauge wire for reliable signal transmission
• Radiused polygon male connector for secure connection
• Threaded mounting with 18.0 mm thread diameter
• Overall length of 17.24 inches for proper installation

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers replacement emission control components engineered to meet or exceed OEM specifications. The 350-34266 oxygen sensor is part of this line, providing a direct-fit solution with precise wiring and connector design tailored for Hyundai and Kia vehicles. This ensures compatibility and reliable performance in emission systems.

Product Description and Attributes

This oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 13.7-inch wiring harness with 4 wires and 20 gauge measurement supports accurate signal transmission to the engine control unit. The radiused polygon male connector ensures a secure and proper fit, while the threaded mounting with an 18.0 mm diameter allows for straightforward installation. The overall length of 17.24 inches accommodates the specific fitment requirements of the Hyundai Magentis, Kia Optima, Santa Fe, and Sonata models.

Common Applications and Issues Addressed

• Helps maintain proper air-fuel ratio for efficient combustion
• Reduces engine misfires and rough idling
• Prevents increased emissions and failed emissions tests
• Improves fuel economy by providing accurate sensor data
• Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use the correct tools to remove the old sensor and install the Walker 350-34266 oxygen sensor by threading it securely into place. Confirm the radiused polygon male connector is fully seated to prevent signal issues. Verify wiring harness routing to avoid contact with hot or moving parts. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-34266 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.