Walker 350-34304 Oxygen Sensor - Downstream Front or Downstream Rear

Overview of Walker 350-34304 Oxygen Sensor

The Walker 350-34304 oxygen sensor is designed specifically for select Hyundai and Kia models, including the Magentis, Optima, Santa Fe, Sonata, Sportage, Tiburon, and Tucson. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

• Heated oxygen sensor with 4-wire design for reliable operation
• Specific fit for Hyundai and Kia vehicles, including Optima and Santa Fe
• Threaded mounting type with 18.0 mm thread diameter for secure installation
• 23.15 inches wiring harness length with 20 gauge wire for durability
• Radiused polygon male connector for proper electrical connection
• Overall length of 26.69 inches to accommodate factory fitment requirements

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line focuses on providing replacement emission control components that meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket range is engineered to deliver consistent sensor response and durability, ensuring compatibility and performance for Hyundai and Kia vehicles requiring precise emissions monitoring.

Product Features and Specifications

This oxygen sensor features a heated sensor type with a 4-wire configuration, which allows for faster sensor warm-up and improved accuracy in measuring exhaust oxygen levels. The 20 gauge wire ensures reliable electrical conductivity, while the 23.15-inch wiring harness length and 26.69-inch overall length are designed to match the specific routing and fitment of the targeted vehicle models. The radiused polygon male connector and threaded mounting type with an 18.0 mm thread diameter provide secure and proper installation.

Common Applications and Problem Resolution

• Restores accurate air-fuel ratio readings for Hyundai Sonata and Kia Optima
• Resolves engine performance issues related to faulty oxygen sensors
• Helps reduce emissions and prevent check engine light activation
• Improves fuel efficiency by ensuring proper sensor feedback
• Prevents drivability problems such as rough idling or hesitation

Installation Notes and Tips

When installing the Walker 350-34304 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to avoid damage. Verify the connector orientation matches the radiused polygon male connector for a secure fit. It is recommended to inspect the wiring harness for any damage and replace if necessary to maintain sensor performance.

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards for durability and performance. While specific warranty details for part number 350-34304 should be confirmed with the supplier, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability in Hyundai and Kia vehicles.