Browse Chevrolet Engine Coolant Antifreeze Price. Explore Chevrolet Engine Coolant / Antifreeze & Chevrolet Engine Coolant. Order Chevrolet Antifreeze Vs Coolant. Maintaining the engine coolant/antifreeze in your Chevrolet is crucial for preventing overheating and corrosion. Regularly check the levels and inspect for signs of rust or debris; if the coolant is discolored or has particles floating in it, it's time for a replacement to ensure peak performance. For optimal engine health, use a coolant with organic acid technology (OAT) for newer models or an IAT (inorganic acid technology) formula for older Chevy cars. These advanced coolants offer extended life and superior protection, reducing the frequency of changes. Proper coolant selection and maintenance can enhance your Chevy's longevity, ensuring a smooth ride with optimal thermal efficiency, and our online store provides a user-friendly platform for choosing the right product for your vehicle's specific needs.