PSC's line of American Petroleum Institute (API) CK-4 performance, SAE 10w-30 Diesel Engine Oils are designed to meet 2017 model year on-highway and Tier 4 non-road exhaust emission standards as well as for previous model year diesel engines. These oils are formulated for use in all applications with diesel fuels ranging in sulfur content up to 500 ppm.
Search our premium line of API CK-4 SAE 10w-30 diesel Engine Oils below
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