The invention relates to a cylinder head cover (1) for an internal combustion engine of a motor vehicle comprising a body (10) and a coolant circulation channel formed in said body. According to the invention, the coolant circulation channel cooling includes an opening intended to receive at least one immersion heater. Furthermore, the cylinder head cover (1) comprises a cover (15) closing the opening of the channel and comprising a fixing means (151) with the immersion heater. Finally, the cover (15) is made of electrically conductive plastic and connected to ground.
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