Castrol GTX 15W-40 A3/B3 is one of the most famous motor oils in the world. Lower fuel quality, increased operating conditions or increased operating temperatures can cause sludge formation in the engine, which in the worst case will deposit in the oil supply channels, resulting in inadequate lubrication. The technology of the GTX product range offers excellent engine cleanliness. Benefits: Provides superior protection against sludge formation in engines Improved protection against thermal breakdown Premium quality base oil and anti-wear additives for a longer engine life Helps reduce oil consumption Specifications/ Standards: ACEA A3/B4 API SP VW 501 01/ 505 00 Meets Fiat 9.55535-D2 View the full description