The Bosch 3607030472 is a genuine planetary gear train assembly (also referred to as a BPT gearbox) for Bosch EXACT and ANGLE EXACT series:
Bosch Angle Exact ION Series: Angle-Exact-ION 8-1100, 23-380, 30-290, 30-300 Cordless Screw Driver
Bosch Exact ION Series: 6-1500 Pn-Accu-Screwdriver