Mobil 1 (120765 Extended Performance 5W-20 Motor Oil - 5 Quart Providesguaranteedprotection of critical engine parts for 15,000 miles or 1 year, whichever comes first Helps prevent deposits and sludge build-up to enable long engine life Excellent overall lubrication and wear protection performance under many operating conditions, from mild to severe Exceptional control of oil breakdown and helps maintain stable oil viscosity Quick cold-weather starting for fast protection and extended engine life and helps provide less stress on your starting system