What is another word for petrol cap?
Pronunciation: [pˈɛtɹə͡l kˈap] (IPA) 
The petrol cap, otherwise known as the gas cap, fuel cap, or fuel tank cap, is an important component of any vehicle's fuel system. It is designed to prevent gasoline from spilling or evaporating out of the fuel tank. There are many different names for this essential component, but they all serve the same purpose. Some other synonyms for petrol cap include filler cap, filler neck, tank cap, and fuel door. Whatever it may be called, it is important to ensure that the cap is tightened correctly after fueling up to prevent any fuel leaks or issues with the fuel system.
