Castrol GTX High Mileage is specially formulated with less phosphorus than other leading oils, replacing it with advanced technology invented and patented by Castrol that helps prevent catalytic converter and emission system failure and delivers unsurpassed protection against sludge, wear and oil burn-off vs leading conventional oils.
This oil has a weight of SAE 5W-30, meaning it has an SAE viscosity rating of 5 in cold temperatures and a rating of 30 at normal operating temperature. Always check your vehicle’s owner’s manual to verify that this is the correct weight of motor oil for your vehicle.
This oil is a conventional motor oil, meaning it is refined from crude oil or petroleum products. Conventional motor oils may or may not have additives included after refining. Conventional motor oils are more versatile than synthetic or hybrid motor oils, because they are suitable for use with nearly all types of modern vehicle engines, from cars and trucks to motorcycles, ATVs, farm equipment, and more.
