Blowing up the pic of the DKG 128 Kit, I don't see the gasket for the LP to the IP? SO after a little looking I found this on ebay
https://www.ebay.com/itm/Bosch-junta-Kit-Dgk-128-DGK128-Diesel-Bomba-de-inyeccion-/132266150153?_ul=AR&nma=true&si=W9FwcXLZA2LmEg8uPmQRZ55NuIg%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557
It looks like the DKG128 is the injection pump reseal kit? In the ebay pic it looks like there is a 3 bolt LP gasket, however it could have the 2 bolt and just be a complete kit??
I found another pic of a "kit" that look like someone put together.