Genuine 

Bosch motor 0390203266
Thule part no:1500602263

This motor takes a square shaft, there are 2 different types of this motor, square shaft and star shaft. 

We only stock the square shaft version. 

For the star shaft version you'll need to source from a Thule distributor

Compatibility:
Thule part no:1500602263 (Square Shaft)

Contents:
1 x Motor 12 V

Please check your existing motor to see if the part number matches this and also the Shaft.