Coolant guiding element and coolant guiding device

A coolant-conducting element with an enclosed, linearly extending hollow profiled body, having an exterior wall with a multitude of access openings spaced apart from each other in a longitudinal direction and open or closed but can be opened, toward a conduit arrangement located in the interior. The conduit arrangement has an inflow conduit and an outflow conduit to each of which a number of access openings are assigned. A coolant-conducting arrangement with such a coolant-conducting element is also disclosed.