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.

Castrol GTX is one of the world's most trusted motor oils. It's more than just oil. It's liquid engineering that protects against problems, like sludge, that your engine faces every day.

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 MB-Approval 229.1 15W-40 lubricant