A glow plug with a combustion pressure sensor is improved in airtightness between the same and a combustion chamber. The glow plug 100 includes a housing having a substantially tubular metallic shell extending in an axial direction and a substantially tubu...

The closure cover for insertion in and closure of installation holes in gear or engine housings has an arched cover base and side wall crossways to it, running along its periphery. The facing sides of the cover base and side wall limit an inner space. The ...