Key to dimensions (approximate only and liable to change without notice) - A is the visible footprint (if round, W indicates the diameter), B is the visible height above the mounting face, C is the size of hole needed in the mounting panel for the body (if appropriate), D is the protrusion behind the panel face (if appropriate)

means that an LED unit is a straight replacement for the original bulb.

means that some adaptation (simple or complex depending on the light unit) is needed to make an LED unit fit.