VW Typ 3 Heater Con Tubes Pair T34 Notchback Fastback 
311255353B

Used on all T3 Flat 4 engines, Notchback FastBack and Squareback and T34 Ghia.  Sold only as pairs

Connects the Heating Ducts from the Fanshroud to a metal tube before the heat exchangers. anyone with a T3 engine knows where they go.