Prestone 74823 Prestone Command Heavy Duty 2 in 1 Flush and Degreaser

Prestone (256) (256) Prestone Command Heavy Duty 2 in 1 Flush and Degreaser Introducing Prestone’s NEW Command 2 in 1 Flush & Degreaser, an innovative and easy-to-use cooling system cleaner for heavy-duty diesel cooling systems. Part 1 is an acid cleaner that dissolves corrosion and scale without damaging metals. Part 2 is an oil encapsulation system that strips grease and oil from all surfaces and flushes it away. Just one use helps prevent overheating, a major cause of engine failure. 3.78L PRESTONE COMMAND