Overview

Castrol GTX High Mileage is a unique synthetic blend engine oil that has been specially formulated for vehicles with more than 75000 miles on the odometer.Castrol GTX High Mileage motor oil is the leading consumer high mileage brand. Its a synthetic blend engine oil that helps extend the life of your engine by protecting against sludge wear and burn-off and also liquid engineered to protect your emission system. One of the leading causes of check engine lights coming on in high mileage cars is actually catalytic converter failure which can be caused by phosphorous in engine oil. While phosphorous is present in all engine oils for its ability to reduce wear it is effectively poisonous to catalytic converters. Castrol GTX High Mileage Motor Oil is liquid engineered with Phosphorous Replacement Technology to replace some of the phosphorous with an advanced additive that maintains robust wear protection. When you want to extend the life of your high mileage engine and emission system there is no better choice than Castrol GTX High Mileage Motor Oil.Features/Benefits: GTX High Mileage delivers:Phosphorus Replacement Technology to help extend the life of the emission systemSuperior dispersancy that fights sludge build upExceptional oil burn-off protection exceeding industry standardsSeal conditioners to help reduce leaksAdvanced additives that minimize engine wearImproved fuel economy Based on API and ACEA volatility specifications In 5W-20 5W-30 and 10W-30 grades versus industry specifications.