⛽ MANNOL 9930 Antiwear Diesel Ester Additive – 1L Bottle X 2 = 2L. Protect and extend the life of your diesel engine withMANNOL 9930, acomplex anti-wear additive designed for all types of diesel fuel, especiallylow-sulfur fuels (GOST R 52368-2005 / EN-2005).