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
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.
Using the correct type and amount of oil in your engine will help to improve its performance and prolong its life.
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.