Enhance your Hyundai i30's performance with our Pre-Cat O2 Sensor, specifically designed for the GD Hatchback 1.8 model from 2013 to 2014. This high-quality sensor features a 4 Wire Grey plug and effectively replaces the part number 39210-2E150. Ensure optimal engine function and fuel efficiency with this reliable component. Check your original part, as multiple types may be available. Upgrade your vehicle today for a smoother driving experience.