The plastic drive is breaking up do you have a replacement for Qb900b

@bowhunter1 I have not seen them on iFixit. you are referring to the 6 fluted part that connects to the motor? You could definitely try to find somebody that can do the 3D printing of the part for you. The other thing I would do is to scour the local pawnshops, Goodwill shops and buy-and-sell papers for a broken one that you can harvest the part from.

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