There are many things that can go wrong with control knobs, parts of them can snap off, they can melt under exposure to high temperatures, or simply you may not be able to see the indicators clearly on them, which is a problem when trying to pick a particular setting on your appliance.
This gas cooker knob is a genuine part for Electrolux hobs and will no doubt make an excellent replacement for your faulty hob control knob.
If you would like to check if this gas cooker knob is compatible with your appliance, simply enter both the manufacturer and model number of your appliance on our homepage.