GREEN 50/50 ANTIFREEZE / COOLANT - FOR 2001 AND OLDER CHRYSLER, FORD & GM VEHICLES. This Green 50/50 Antifreeze/Coolant is a classic ethylene glycol based cooling system fluid formulated especially for older gasoline cars and light trucks. Designed to meet the conventional cooling requirements of vintage and pre-2000 vehicles, this green coolant is compatible with many American makes including Chrysler, Ford, and General Motors models from the mid-1990s through the early 2000s, as well as other older vehicles that originally came with green coolant. Pre-diluted in a factory-ready 50/50 mixture of high-quality ethylene glycol and deionized water, this coolant is ready to use straight from the jug - no mixing or measurement needed. It offers balanced protection against freezing, overheating,.