The fuel supply device has a fuel pump (32) supplied with the fuel from the fuel tank (2) via a pressure regulator (8), having an electrically conductive component (10,11,12) supported by an electrically insulating mounting (6), for potential separation fr...

Mounted on the upper surface of the cover portion (3) of a fuel supplying apparatus (10) to be mounted to an opening portion (2a) of a fuel tank (2) is a fuel pressure regulator (20), which contains a fuel pressure detector portion (21) constituted by a di...