Cleaner for Hydraulic Valve Lifters. It is specially developed to remove all types of deposits (soot, lacquer, etc.) from all types of hydraulic valve lifters, restore their normal operation and efficiently clean internal engine parts and oil channels, avoiding disassembly of the units and parts as well as the engine. Thanks to the special formula, it reliably maintains the deposit particles suspended in the used oil. It is used in gasoline, diesel (common rail, pump-duse, etc.) and LPG engines. It can be mixed with synthetic, semi-synthetic and mineral oils. It does not deteriorate catalytic convertors of exhaust gases. It dissolves lacquer and ash deposits in the grooves of the piston rings and lubrication system channels. It ensures release of the rusted hydraulic valve lifters. It reduces engine operation noise. It ensures efficient protection of the engine parts and units from corrosion and deposit formation. The cleaner efficiently cleans the hydraulic valve lifters.