Boom Boom said... "SA315-EC130" ???
I find this a real stretch. There are no shared parts in these two models. They do not share the same TC. The 407 is, however, piggybacked onto the 206A TC and shares parts with the earlier models. I suspect the 417 will be also. Check out TC H2SW.
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgMakeModel.nsf/0/38c1200368810cb486256f5c007837b4/$FILE/H2sw.pdf