If you've ever bought a quart of motor oil for your vehicle, you've likely encountered the letters API somewhere on the label. In fairness, there are a lot of abbreviations, symbols and odd number ...
It’s an advanced, next-generation engine oil standard focusing on ultra-low viscosity oils for modern engines. When purchasing oil, look for the API Service Symbol "Donut" on the label, which is an ...
The diesel engine oil available for your fleet is about to undergo a major change. Two new oil categories, CK-4 and FA-4, have been announced by the American Petroleum Institute (API) and will replace ...
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