Abstract: A vehicle windscreen wiper comprising an arm and an articulation connector The invention proposes a motor vehicle windscreen wiper which comprises a wiper blade (20) mounted so as to be articulated at the front longitudinal end (22a) of a wiper arm (22) about a horizontal transverse axis (A) by means of a connector (24), of the type in which the means of articulation of the connector (46a, 46b) with the end (22a) of the arm (22) comprise at least one pivot (56) with a transverse axis which extends transversely from a first associated support element (58) and which is able to be received in a complementary housing (62) in an associated second support element (60), characterised in that the end (22a) of the arm (22) comprises means (52, 84) of longitudinal positioning of the connector distinct from the articulation means.