Castrol GTX 20W-50 is a SPI SN/CF engine oil formulated for cleaning away old sludge* and protecting against new sludge formation better than industry standards. Severe driving conditions can cause the build up of a thick, tar-like substance called sludge. Sludge can block your engine's vital oilways like cholesterol ‚Äì and if untreated it can rob an engine of power and, ultimately, its life. Help extend the life of your engine with Castrol GTX.* Vs API SN Limits
What vehicles is this product suitable for?
Castrol GTX 20W-50 is suitable for use in automotive petrol and diesel engines where the manufacturer recommends an API SN/CF or earlier specification 20W-50 lubricant.
To find the oil type and weight suggested for your vehicle; either check with your manufacturer, your local mechanic or head in-store and talk to one of our friendly team.
Mineral Engine Oil
Superior sludge protection for greater reliability in older vehicles
Helps to minimise oil consumption
Keeps engines cool and clean
Contains anti-wear additives that extend the life of your engine