Carlube Triple R 10W-40 R-Tec 31 is a trusted and reliable engine oil, It delivers excellent wear protection and cleanliness whilst preventing the damaging processes of corrosion and oxidation. SPECIFICATION - ACEA A3/B3, A3/B4, API SN, MB 229.1, VW 501.01/505.00, RN 0700 This oil is suitable for use in a wide range of passenger car engines. Triple R 10W-40 R-Tec 31 also delivers enhanced piston cleanliness, minimising ring-sticking which can result in premature engine wear and blow-by. Within engines, deposits can negatively impact fuel economy, performance and ultimately the life of your engine. Furthermore, Carlube Triple R 10W-40 R-Tec 31 reduces engine sludge by up to 14%, ensuring key components are kept cool, lubricated and working at their maximum potential.