# What 'W' and Numbers Mean in Engine Oil

https://www.carscoops.com/2294650/what-numbers-and-w-mean-engine-oil/

The 'W' in engine oil indicates winter viscosity. It denotes the oil's flow at low temperatures. Numbers show viscosity at specific temperatures.

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#oil #viscosity #engine #w

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Created: 2026-10-25T12:11:11.311320+00:00

Last edited: 2026-10-25T12:11:11.311320+00:00

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Original source: https://www.carscoops.com/2294650/what-numbers-and-w-mean-engine-oil/