> The actual 251 259 109 is technically for the Air Cooled Vanagon 80-Early
> 83 2.0 and Diesels 82-83 according to ETKA

Jim:

I have an '81 air-cooled.  It has a blower in it.  The '80s didn't;
that's what my (pre-Bentley) VW repair manual shows.  But didn't
the diesels have heat from hot water like the waterboxers?  So
wouldn't the heater box have a core and connections?  Or does that
stuff fit in the same box as I have?

Richard