Castrol GTX is one of the world’s most trusted engine oils. It’s more than just oil. It’s liquid engineering that protects against problems, like sludge, that your engine faces every day. The Double Action formula of Castrol GTX cleans away old sludge* while protecting against new sludge formation, better than tough industry standards. * When tested in engines with high levels of deposits.
GTX ULTRACLEAN 10W-30
Sludge, varnish and carbon can shorten your engine’s life dramatically and even lead to engine failure. GTX ULTRACLEAN 10W-30 with Synthetic Technology is our cleanest GTX ever, and can not only extend the life of your engine but provides you with the highest grading of fuel economy yet.
GTX ULTRACLEAN 15W-40
GTX ULTRACLEAN 15W-40 with Synthetic Technology provides superior sludge protection to help extend the life of your engine. Its unique Double Action formula cleans away old sludge, and protects against new sludge formation, giving you more control over today´s challenging conditions.
GTX HIGH MILEAGE 15W-50
Castrol GTX HIGH MILEAGE 15W-50 provides extra protection for engines with over 100,000 kilometres. As an engine gets older gaskets become brittle, seals can deteriorate, and oil can burn faster. Castrol GTX HIGH MILEAGE helps extend engine life by providing superior protection against deposit build-up.