Confused about part numbers

[JB RACER]

I was looking at the parts manual for the XT the center diff cup facing the front is part #07146 I found that but the rear facing cup is part #07164 cant find anywhere is this a misprint are they the same part?? THANKS

 

[Guest]

It's 07146. 07164 in not a listed part.

 

[JB RACER]

Thanks RCDAD I was confused because the part number (07164)is in the manuel I have just wanted to make sure I bought the correct ones