Advice for conv top repair.

The roof kinematics latch is broken.

I see the part on Scuderia. Shipping from UK. Could be a few weeks.
https://www.scuderiacarparts.com/part/236603/ferrari/82973500/lh-roof-kinematics-latch.html

And I've found some other pics where we can better see how the plastic runs along the track. The hydraulic pistons push this and that latches the top.

I also found a complete assembly on ebay
https://www.ebay.com/itm/133653853382

Shipping from Sacramento. I am in LA.

My mechanic wants to buy the eBay unit.

He says there is a benefit of replacing the whole assembly VS trying to remove just the track/ kinematics latch. If there was an issue with the piston too. We'd have another piston.

What do my fchat friends think? Used eBay. Shipping faster?

OR oem new in maybe a few weeks.