Crossword clues for the word: COOLANTS The word COOLANTS has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for COOLANTS Showing 1 to 7 of 7 results Clue(s) Fillers of radiators Freon and antifreeze Freon et al. Nuclear reactor needs Radiator additives Radiator fillers Radiator fluids