A fastening device for fastening a shielding part to a partnered fastening part, having: a sleeve with a through opening for a fastener; at least two bridging elements, which are equipped with outer regions in a radial direction for indirect or direct contact with the opposing outsides of the shielding part and are fastened to the sleeve with inner regions in the radial direction; a damping element is positioned between the bridging elements in an axial direction and outside of the sleeve in the radial direction, characterized in that the damping element is embodied as a spring element and has at least one spring arm, which is resiliently flexible in the radial direction and is equipped to cooperate in a supporting way with a hole rim of a hole of the shielding part.