The Carlube Triple oil range meets or exceeds the API, ACEA specifications and has full Block Exemption certification and major manufacturer approvals.SPECIFICATION - ACEA A3/B4 API SN MB 229.3, VW 501 01/505 00Proven performance is an understatement with Carlube Triple R 10W-40 R-Tec 31 as this engine oil has been thoroughly tested against American and European industry-wide specifications and criteria.The oil has then showed its high quality when tested against more than ten other engine and vehicle manufacturers to verify the engine oil�s performance in a variety of equipment and situations.Carlube 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.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. This oil is suitable for use in a wide range of passenger car engines.