A piston-driven dispensing element for liquid or semi-liquid food products, comprising: - a door (4) that can be mounted on a dispensing mouth (5) of a machine (2) for making and dispensing confectionery products instantly； - at least one dispensing tap (9) which, in turn, comprises a main body (10) extending frontally from the door (4) and forming, inside the door (4), a conduit (11) of flow outlet for the product to be dispensed, and a piston (13) slidably mounted within the conduit (11) and movable between an open position and a closed position of the conduit (11)； and - a manually operated lever (17), connected to the piston (13) to move the piston (13) between the open position and the closed position of the conduit (11), and vice versa； the dispensing element (1) comprising an elastic means (23) that acts functionally on the piston (13) and is designed to apply an action to return the piston (13) to said closed position and the dispensing element being characterized by said means elastic (23) comprises a spring (24) that acts directly on the piston (13), the spring (24) comprises at least one movable end (25), fixed to one end of the piston (13) leaving the conduit (11) ) on the side opposite the duct dispensing mouth (11), and at least one fixed end (26), fixed to a stationary part (7) of the dispensing element (1) and in which the spring (24) has two branches (28) arranged symmetrically in relation to the sides of the piston (13).Un elemento dispensador accionado por pistón para productos alimentarios líquidos o semilíquidos, que comprende: - una puerta (4) que puede montarse sobre una boca dispensadora (5) de una máquina (2) para hacer y dispensar instantáneamente productos de confitería； - al menos un grifo dispensador (9) que, a su vez, comprende un cuerpo principal (10) que se extiende frontalmente desde la puerta (4) y que forma, dentro de la puerta (4), un conducto (11) de salida de flujo para el producto a dispensar, y un pistón (13) montado de forma
