20,000 miles between oil changes****Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade***Or one year, whichever comes firstApproved and Licensed Specifications: Exceeds API SQ/SP/SN PLUS/SN , ILSAC GF-7Meets engine test requirements of Chrysler MS 6395 , Meets Ford WSS-M2C945-B1 , Meets Ford WSS-M2C960-A1