Walker 350-34682 Oxygen Sensor - Downstream Rear or Upstream

Overview of Walker 350-34682 Oxygen Sensor

The Walker 350-34682 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, Sonata, and XG300. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

• Heated sensor type for faster response times
• Specific fit for Hyundai and Kia vehicles
• Threaded mounting type with 18.0 mm thread diameter
• 13.31 inches wiring harness length with 4 wires of 20 gauge
• Radiused polygon male connector for secure connection
• Overall length of 16.85 inches for proper installation

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-34682) is engineered to meet the exact specifications of your vehicle’s emission system. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor’s 4-wire design includes a dedicated heater circuit and signal wires, ensuring reliable data transmission to the engine control unit (ECU).

The threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust manifold or pipe. The radiused polygon male connector ensures a secure and precise fit, minimizing the risk of connection issues. With a wiring harness length of 13.31 inches and an overall length of 16.85 inches, this sensor is tailored for the specific routing and space constraints of Hyundai and Kia models such as the Sonata and Santa Fe.

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 balance of quality and compatibility for Hyundai and Kia vehicles. The product line emphasizes precise fitment and reliable performance to support emission compliance and engine efficiency.

Common Applications and Issues Addressed

• Restores accurate oxygen level readings for proper fuel mixture
• Helps resolve rough idling and engine hesitation
• Reduces increased emissions and failed emissions tests
• Prevents check engine light triggers related to oxygen sensor faults
• Improves fuel economy by optimizing air-fuel ratio

Installation Notes and Tips

• Ensure the vehicle is cool before sensor removal to avoid burns
• Use appropriate oxygen sensor socket for threaded installation
• Verify connector type matches the vehicle harness (radiused polygon male)
• Do not over-tighten; torque to manufacturer specifications
• Inspect wiring harness for damage before installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet strict quality standards. The 350-34682 sensor undergoes rigorous testing to ensure durability and accurate performance under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.