Castrol GTX High Mileage 20W-50 Synthetic Blend Motor Oil, 5 Quarts 5 Quart Product Details Viscosity: 20W 50 sae_grade Brand: Castrol Vehicle Service Type: Passenger cars, trucks, and SUVs, For use in vehicles with over 75,000 miles UPC: 079191231128 Automotive Fit Type: Universal Fit Global Trade Identification Number: 00079191231128 Manufacturer: Castrol Model: 03112 Item Weight: 9.55 pounds Product Dimensions: 11.8 x 9.5 x 4.6 inches Item model number: 1597C3 Manufacturer Part Number: 1597C3 Viscosity: 20W 50 sae_grade Brand: Castrol Vehicle Service Type: Passenger cars, trucks, and SUVs, For use in vehicles with over 75,000 miles UPC: 079191231128 Automotive Fit Type: Universal Fit Liquid VolumePackage Information: 160 Fluid OuncesBottle 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 help prevent engine wear | Improved Fuel Economy** Meets or exceeds the following specifications: API SP/SN PLUS/SN/SM | * Based on API and ACEA volatility specifications | ** In 5W-20, 5W-30 and 10W-30 grades versus industry specifications Castrol GTX High Mileage is the #1 consumer high-mileage brand. 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 protect emission systems by replacing some of the phosphorous that can damage catalytic converters.