3 looks like ABS to me.

1 might have been where they put that blue vacuum amplifier thing.

btw, in pic 2, there is a 4 way rubber vacuum "fitting" that either needs to be plugged, or have a tube going into it .

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D