Mobil Delvac 1 ESP 5w-40

Mobil Delvac 1 ESP 5w-40 is a premium full-synthetic Diesel Engine Oil. The Delvac series is a premium line of heavy duty equipment lubricants manufactured by Mobil Lubricants. "1 ESP" refers to premium synthetic base oil that is specially formulated for compatibility with exhaust after treatment systems using diesel particulate filters (DPF), diesel oxidation catalysts (DOC) and/or selective catalytic reduction (SCR). 5w-40 is the thickness of the oil based on Society of Automotive Engineers (SAE) standards. 

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