MEGUIN 20W-50 (20w50) Universal Engine Oil - 4LMultigrade motor oil that is particularly suitable for year round use as a universal oil. Thanks to its selected base oils and additive combination, suitable for use in both diesel and gasoline engines with and without catalytic converter, including those with a turbocharger. Also recommended for older vehicles (youngtimers). Directions for Usage Note the manufacturer's instructions. Searching for a reliable oil change service near me ? At Pearllube,