Upgrading or replacing your car radiator is a crucial step in maintaining your vehicle’s performance and longevity. A well-functioning radiator keeps your engine cool, preventing overheating and costly damage. However, choosing the right radiator can feel overwhelming if you’re unfamiliar with the essential features to consider. This guide will help you understand what to look for to ensure you select the best option for your car. Material Matters One of the most important things to consider when purchasing a radiator is the material it's made from.