Prestone AS-105Y 22 Oz Radiator Flush & Cleaner (Pack Of 6)

Prestone Radiator Flush and Cleaner is a premium 2-in-1 formula engineered to remove heavy rust, corrosion, scale, and solid deposits from neglected cooling systems. Ideal for quick flushes or deep cleanings, it helps restore optimal coolant flow, enhance heat transfer, and prevent engine overheating—the leading cause of engine failure. Safe for use on all metals and radiators, it supports all vehicle makes and models. Whether you’re a pro mechanic or DIY car owner, regular use extends the life of your cooling system and keeps your engine running efficiently. Flush, clean, and refill with confidence.