Prechamber element, igniting device and method for assembling an igniting device

An igniting device comprising:

• a prechamber element having a main body and a prechamber cover that together with the main body defines a prechamber,
• wherein the main body has an opening configured to receive a spark plug, wherein the main body has a fastening portion for arrangement in an assembly channel of a cylinder head or a cylinder head sleeve, and
• wherein at least one transfer passage is formed in the main body and/or in the prechamber cover;
• at least one outlet opening of the at least one transfer passage is positioned at least partially outside a three-dimensional body that is defined by a geometric extrusion of a minimum cross section of the assembly channel along a longitudinal axis of the assembly channel;
• a cylinder head sleeve and/or a cylinder head;
• and
• an assembly channel formed in the cylinder head sleeve or the cylinder head,
• wherein the fastening portion of the prechamber element is arranged in the assembly channel.