I believe that is the correct item. A big blue connector on the side? I can't read the PN very clearly, but it looks like it starts with 102 and ends with 8 which is what the one I bought today at a salvave yard has. And the one I bought also says Japan.
I found one at a local salvage yard with the part # of 10269728 Which was the last PN used by GM for these.cars. I believe earlier PNs should work. I hope I got lucky.I was looking at the ones I have and I seen 3 different part numbers. I don't think it makes a difference, but maybe it was one without a security system. What is the part number on yours?