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					Originally Posted by  Gilles
					 
				 
				No, I don't believe so.. 
 
The invoice on my 987 gearbox repair it shows the S/N G872110020519 therefore, your tranny must have the S/N somewhere but I am not sure where, however I have seen it before.. 
			
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Pretty sure that is a combination of your transmission model number shown on the under hood option sticker,  G87.2/100... and the trans code 0519.
The PO's would be G86.1/...1131. The workshop manual shows the code as the only identifier on the trans. The date code/location may change on the later models as my manual is for the 04 and earlier 5 speed.