How car motor oil works
Learn how Shell Helix engine oils work and their importance when maintaining a healthy car. See how easy it is to check your oil, and then explore our FAQ section for our expert help, including advice on car engine oil types.
In this Section
Inside your car engine
The main function of motor engine oils is to lubricate the car engine parts so they run smoothly and stay protected against wear and tear, for better performance.
Maintaining your engine
Using the correct type and amount of oil in your engine will help to improve its performance and prolong its life.
Synthetic engine oil
There are two main types of base oil: mineral and fully synthetic.
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Find the right oil to use
Use our Shell LubeMatch tool to find the right oil for your vehicle.
Shell engine oils and lubricants
Shell is the number one global lubricant supplier and has a 70-year history of innovation. Explore Shell’s range of engine oils and lubricants for cars, motorcycles, trucks and more.
Motoring tips and advice
Take better care of your vehicle by learning how to become more fuel efficient and safer on the road.