Castrol GTX 15W40 A3/B3 Engine Oil is engineered to maintain a pristine engine and prolong the life of engine components. It effectively removes sludge and deposits, ensuring thorough lubrication and protection for your engine's vital parts. Choosing Castrol GTX means choosing an oil that keeps your engine performing at its best while safeguarding its long-term health.Key Features and Benefits:3X-Clean Formula: Efficiently removing harmful sludge and deposits, the 3X-Clean technology in Castrol GTX leads to a cleaner engine, which in turn ensures better lubrication, reduced wear, and extends the life of the engine.Combats Engine Contaminants: Castrol GTX combats the three main causes of deposit buildup - heat, contaminants, and short trips. This proactive approach ensures that even under harsh conditions, your engine remains protected and performs optimally.Sludge Prevention: By not only removing existing sludge but also preventing its re-formation, Castrol GTX maintains an engine that