OW-20 VISCOSITY GRADE CAR ENGINE OIL
If your vehicle requires a 0W-20 viscosity engine oil Castrol offers options that meet the needs of drivers and vehicle manufacturers.
What does 0W-20 mean?
Castrol's 0W-20 motor oil is engineered to flow as easily as a 0 Weight oil in winter temperatures, yet behave like 20 Weight oil once the engine has achieved its full operating temperature. This ensures that even in cold climates, oil will start to flow through engine oil ways immediately, providing lubrication to critical engine parts.
It's a common misconception that the 'W' in viscosity descriptions stands for Weight. In fact, it stands for Winter. In the case of synthetic 0W-20 oil, this means that it flows as easily as a 0 Weight oil in Winter temperatures, but is as thick and viscous as a 20 Weight oil once normal engine temperature has been reached.
There are two things you need to know to find the right oil for your vehicle 1) the viscosity, 2) the manufacture specification requirements. The products on this page are all 0W-20 viscosity and also show the manufacturer specifications details.
To find the product you need always consult your vehicle handbook or use our Oil Finder tool.
