Dewalt  623564-00 Genuine OEM Replacement Spindle & Gear

Brand New.

Genuine Dewalt replacement part, this item is sold individually.
This part is pressed on to the end of the armature and secured with the 604484-00 nut in the models listed below.
The pinion drives the bevel gear in the gearcase.
If the pinion gear ever gets damaged, chances are that the bevel gear is also damaged.
Compatibility
This part is compatible with the following machines:

DeWALT
DC415 Type 1 Cut Off Tool
D28110 Type 1 Grinder
D28112 Type 1 Grinder
D28402 Type 1 Small Angle Grinder
D28402N Type 1 Small Angle Grinder
DC413 28V Cordless Cut Off Kit
DC411 18V Cut Off Tool
DCG412B Type 1 20V Max Cut-Off Tool
DCG412L2 Type 1 20V Cut-Off Tool
DC411KA Type 1 18V Cut Off Tool
D28402K Type 1 4-1/2 Small Angle Grinder