Bumper part name

Hi, does anyone know what this front bumper part is called and where to get one please? It's from my 89 cabriolet Gti Karmann bumper kit. Ignore the black arrows, it's the whole piece with yellow cross I'm trying to ID 

Thank you 

That isn't a Karmann Bumper Kit.  It is a Cabriolet Klipper KIt, that was from 88-93. Karmann is the factory that designed and built the Cabriolet.  All Cabriolets were Designed and built from frame up at the Karmann Coach works.

That piece is part of the rear wheel arch.  It isn't a separate piece.

Thank you, I've only just seen your reply. 

Yes it’s part of the plastic wheel arch covers.

Front wheel arch


 
Rear wheel arch.




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