Quaker State Motor Oil, Conventional 10W-40, 5-Quart
Conventional 10W-40 that provides durable wear protection and reduces engine wear
Provides corrosion protection against harmful acids generated by engine contaminants
Maintains viscosity from start to finish, providing optimal oil film protection
Helps engines survive daily commutes from high-speed highway operation to repetitive, stop-and-go driving
Combats engine sludge and deposits
Formulated to exceed the requirements of industry specification API SN and all previous categories
Formerly known as Quaker State Advanced Durability 10W-40 motor oil