Quaker State 5W-30 motor oil is a synthetic blend formulation that helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving. It maintains the required viscosity from start to finish, providing optimal protection. Quaker State Motor Oil combats engine sludge and deposits, providing rust protection from harmful acids generated by engine contaminants. It reduces engine wear, providing durable wear protection. Quaker State 5W-30 Motor Oil meets or exceeds the following OEM requirements: Chrysler MS-6395; Ford WSS M2C946-A, Ford WSS M2C946-B1; GM 6094M. It exceeds the requirements of the following industry specifications: API SP and all previous categories; ILSAC GF-6a and all previous ILSAC standards. For a full list of equipment approvals and recommendations, please consult your local Quaker State Technical Help Desk and always consult your owner?s manual.