A driver for retaining a windscreen washer liquid pipe includes an orifice arranged to receive a rotation shaft, an outer contour when the driver is observed along the rotation axis, and a housing arranged to receive a curved portion of the windscreen washer liquid pipe around the orifice. The rotation shaft is rotated about a rotation axis. The housing is arranged so that, when the driver is Observed along the rotation axis and when the windscreen washer liquid pipe is installed on the driver, the curved portion of the windscreen washer liquid pipe is set back from the outer contour of the driver.