Coupling device

A Coupling device (1) is provided for hydraulically and mechanically coupling a fuel injector (3) to a fuel rail of a combustion engine, the coupling device comprising a fuel injector cup (4) being designed to be coupled to the fuel rail and to engage a fuel inlet portion (5) of the fuel injector, the fuel injector cup (4) comprising a first part (6) comprising a recess (9) and a second part (7) being configured to be received in the recess (9) of the first part (6) and being designed to engage the fuel inlet portion (5) of the fuel injector (3).