KO Red Degreaser Concentrate 5 GalKO Red is a unique dual action degreaser formula, made up of cleaner and solvent blends for the toughest soils. This powerful, heavy duty car degreaser and cleaner is great for engines, concrete floors, steel tires and more. This versatile degreaser can be used on multiple surfaces, while remaining more concentrated for an economical use. Rinses clean and leaves no residue.