Get some heat in your fridge! Eberspacher BN4 Gas Heater, fits 68 thru 79 VW bay window bus. I had bought it to replace the missing unit on my Westfalia but I don't have it anymore. I was told this was a working unit when I bought it but I would assume it will take some work to getting it fully operating.
Comes with a wiring harness from a 78 VW Bus as well.