This Gearbox Position Sensor is the most expensive of the items that make up this 10a - Half-crankcases Pair assembly.
Check out any of the twenty 10a - Half-crankcases Pair components enlisted.
Some items from this specific schematic: Screw Tcei M8x75 Uni 5931, O-ring 5.23x2.62, Screw Tcei M6x35 Uni 5931, Half-bearing Green.