Vehicle windscreen wiper device and method for mounting on a vehicle body

The motor vehicle windscreen wiper drive has two bolt formations (21,22) each cooperating with a complementary nut (31,32) formed on the vehicle chassis. It has an indexing lug (41) to engage a corresponding slot (51) formed in part of the bodywork. There is a third positioning fixing with a third bolt assembly (23) to cooperate with a complementary nut (33) on the bodywork. Claims include a method of assembling the windscreen wiper drive.