Gulf Supreme Duty ULE 15W-40

Premium heavy-duty diesel engine oil for high performance
Gulf Supreme Duty ULE is premium performance heavy-duty diesel engine oil specially developed for use in ultra-low emission engines meeting the latest US and European emission standards. This oil addresses the unique needs of the latest engines and enhances the life of exhaust after-treatment devices. It is formulated with state-of-the-art additive technology and severely hydro-processed base oils to provide excellent performance and overall protection having a potential to offer extended drain intervals.