What Does 5W-30 Mean? Engine Oil Grades Explained

February 3, 2023 - Let’s dive deeper into the meaning behind the naming system of engine oil grades and their unique properties to make choosing the correct engine oils a bit easier.

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Valvoline European Vehicle Full Synthetic Motor Oil SAE, 48% OFF

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1 shows the comparison of SAE-5W/30 and SAE-15W/40 grades of oil

DG Auto High Mileage SAE 5W-30 API Motor Oil