GTX 15W-40 A3/B3 is suitable for use in automotive gasoline and diesel engines where the manufacturer recommends an API SL/CF or ACEA A3/B3 15W-40 lubricant. GTX 15W-40 A3/B3 is also approved for use in VW group vehicles and Mercedes Benz vehicles that require a VW 501 01/ 505 00 or MBApproval 229.1 15W-40 lubricant
