Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts

Castrol® GTX® High Mileage 20W-50 is the #1 consumer high-mileage brand of motor oil. It's a synthetic blend engine oil that helps extend the life of engines by protecting against sludge, wear and burn-off. Engineered with Phosphorous Replacement Technology, it also protects emission systems by replacing some of the phosphorous that can damage catalytic converters.

Phosphorus Replacement Technology helps extend emission system life Superior dispersancy that fights sludge build up Exceptional oil burn-off protection exceeding industry standards* Seal conditioners to help reduce leaks Advanced additives that minimize engine wear Improved fuel economy** * Based on API and ACEA volatility specifications ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM