Walker 350-33007 Oxygen Sensor - Upstream

Overview of Walker 350-33007 Oxygen Sensor

The Walker 350-33007 oxygen sensor is designed specifically for select Kia and Mazda models, including the Kia Sephia and Mazda 626, MX-3, and Protege. 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 Kia and Mazda vehicles
• 12.32-inch wiring harness length for proper installation
• 20 gauge wire measurement with 3 wires for reliable signal transmission
• Radiused polygon female connector for secure connection
• Threaded mounting type with 18.0 mm thread diameter
• Overall length of 15.87 inches for correct positioning

Walker Products Aftermarket Line Details

The Walker Products Aftermarket line offers replacement emission control components engineered to meet or exceed OEM specifications. This oxygen sensor from the Walker Products Aftermarket range is manufactured to provide consistent performance and durability, making it a suitable choice for maintaining emission standards on compatible Kia and Mazda vehicles.

Product Description and Specifications

The Walker 350-33007 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 12.32-inch wiring harness and 20 gauge wires with a 3-wire configuration ensure stable electrical signals. The radiused polygon female connector provides a secure and precise fit, while the threaded mounting type with an 18.0 mm diameter ensures proper installation and sealing. With an overall length of 15.87 inches, this sensor fits perfectly in the designated exhaust system locations of the specified Kia and Mazda models.

Common Applications and Issues Addressed

• Helps correct engine misfires caused by faulty oxygen sensors
• Reduces rough idling and poor acceleration issues
• Improves fuel economy by providing accurate air-fuel ratio data
• Assists in passing emissions inspections by maintaining proper exhaust readings
• Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

• Ensure vehicle compatibility with Kia 626, Mazda MX-3, Protege, or Kia Sephia before installation
• Use proper tools to avoid damaging the 18.0 mm threaded mounting
• Verify connector type matches the radiused polygon female connector on the vehicle harness
• Handle wiring carefully to maintain integrity of the 20 gauge wires and 3-wire configuration
• Follow manufacturer torque specifications for sensor installation

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. The 350-33007 part number undergoes rigorous quality control to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.