I've read that it's actually an upgrade for the R33 compressor because it's shorter and will clear more top mount manifolds (if that's a concern), but you will have to get the lines replaced as well. I think I saw a couple R32 part outs on the facebook groups. Might try there.
Edit: This guy has one for sale:
huge-partout-disassembled-rb26dett-ihi- ... 10566.html