Spare parts for Alienware M11x R2 -hinge

I have read that hinge policy is no longer replacing broken hinges if my warranty is over.

But how do I contact a support member that can tell me the parts that I need?

My original configuration includes references to this assembly parts:

9MGG71 MODULE, LIQUID CRYSTAL DISPLAY, 11.6HDF, WLED, TLF, SAMSUNG
DWVMD1 LIQUID CRYSTAL DISPLAY, 11.6HDF, WLED, TLF, SAMSUNG
XNNKC1 MODULE, COVER, HNG-UP, NO WWAN, STCH-BL
381DH1 ASSEMBLY, COVER, HNG-UP, NO WWAN, STCH-B

And I cannot find them in any Dell shop.

I can find on ebay some spare parts that look similar, but how can I know which one is the correct one?

I would prefer buying the spare parts from Dell, but I don´t want a warranty extension, I just need the spare part to fix it by myself.

I tried to contact local support, but since I'm living in another country of my purchase and my warranty is over, support website redirects me and requires to extend my warranty.