Liqui Moly 20004 Hydraulic Lifter Additive (300 ml) reduces engine noise by cleaning oil passages and improving lubrication. It restores proper hydraulic lifter function, making engines run quieter and smoother. Suitable for all 4-stroke gas and diesel engines, including those with turbochargers and catalytic converters. Safe to use during oil changes or between intervals. Not suitable for motorcycles with wet clutches. One can treats up to 6 liters of oil. Regular use helps maintain optimal engine performance and reduce wear.
