To realize a fixture for a shock absorber guaranteeing automatic positioning of a connecting means to connect the shock absorber to a vehicle.

The fixture for the shock absorber having at least one twisted surface, on which at least the one twisted surface is connected to work on a corresponding surface of the vehicle side while at least installation of the shock absorber at least on a reception opening part of the vehicle is carried out and to position at least the one twisted surface and the corresponding surface by rotating the connecting means of the fixture side against the connecting means on the vehicle side has a fixture cap, this fixture cap has at least one twisted surface, and the fixture cap is connected to work to the whole of the fixture so as to transmit torque.