IGNITION APPARATUS WITH IMPROVED SEALING PROPERTIES

摘要

The invention relates to an ignition apparatus for an internal combustion engine, comprising: a housing (2) for accommodating an ignition coil and further components of the ignition apparatus, wherein the housing (2) has a passage hole (8); and a screw-on bushing (3) which is arranged in the passage hole (8), wherein the housing (2) has a sealing contour (4; 14) on an outer face of an opening of the passage hole (8), wherein the sealing contour (4; 14) is arranged so as to run all the way around the opening of the passage hole (8), and wherein the screw-on bushing (3) is designed without a corrosion-protection coating.