Discover the complete Engine Oil Classification Chart with SAE, API, ACEA, ILSAC, and JASO standards to choose the best oil for your vehicle.

For automotive gasoline engines, the latest API Service Category includes the performance properties of each earlier category and can be used to service older engines where earlier …

Mar 31, 2024 · Discover the differences between motor oil grades and classifications with our informative website. Click for expert insights and recommendations.

Jun 11, 2025 · What Is an Engine Oil Grade? An engine oil grade is basically just a way of describing how thick your oil is, aka its viscosity. Think of viscosity as the difference between …

Learn how to read engine oil labels and avoid mistakes by knowing what SAE, API SP, and ACEA E9 codes really mean.

Mar 5, 2025 · Engine oils are classified based on their viscosity, which refers to the oil’s thickness and flow resistance. The most common classification system is the SAE (Society of …

Oct 30, 2025 · Below, you’ll see a chart showing the common oil viscosity ratings from thinnest to thickest. The main types include conventional, fully synthetic, semi-synthetic, and high-mileage …

We provide you with an overview of classifications of motor oils and gear oils as well as specifications of passenger car, commercial vehicle and motorcycle manufacturers. The …

In selecting a proper engine oil, the vehicle operator must consider both the oil viscosity and the lubricant service requirements for their vehicle. To enable the operator to identify a proper oil, …

Apr 4, 2025 · Our complete guide to the different engine oil grades begins with understanding the SAE grading system, set up by the Society of Automotive Engineers. This grading system …