Fluid housing for a fluid collection or fluid distribution system and fluid collection or fluid distribution system

Fluid housing for a fluid collection system or a fluid distribution system, with

• at least two fluid housing modules adjoining one another along an alignment direction and
• a first central fluid duct, which extends substantially along the alignment direction and is formed by first central fluid duct sections of the adjoining fluid housing modules,
• wherein on each fluid housing module at least one fluid connection is provided, which is connected fluidically to the first central fluid duct via a respectively assigned lateral fluid duct,
• characterized in that
• on each of the fluid housing modules at least two contact surfaces are provided, which protrude with respect to an assigned fluid housing module basic body along the alignment direction and adjacent fluid housing modules are positioned in relation to one another via the contact surfaces.