Oil Weight Guide: What 0W-20, 5W-30 & 10W-40 Mean
Understanding engine oil viscosity helps you choose an oil that meets your engine’s lubrication requirements. The correct grade supports reliable cold starts, proper lubrication at operating temperature, and the performance expected by the engine manufacturer. However, viscosity is only one part of oil selection. The required API, ILSAC, ACEA, or manufacturer-specific approval may be…
