Genuine original Canon part, brand new never been used. 

Canon parts # CY3-2586,  or YG2-2699

The sample picture is from a used parts, the selling parts is brand new.

It compatible with :

TS-E 17mm 4.0 L lens 

TS-E 24mm  3.5 L II lens ( Mark II )

If your lens is TS-E 24mm model, you need to move your original main PCB from the old unit to this new part. Otherwise the lens would read as TS-E 17mm model. 

If you have concern, please ask detail.