New API CK-4 & FA-4 Engine Oils Available Now

API CK-4 & FA-4 Diesel Motor Oil On Store Shelves Now

The American Petroleum Institute (API) says it has licensed approximately 400 CK-4 oils and more than 60 FA-4 oils submitted by marketers, making the robust new classifications available to operators of new and older diesels. API expects availability to grow substantially over the next few years as more oil marketers add products meeting the new standards to address the needs of a variety of engine technologies in use both on-…

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