gs455stg1

i won an auction on ebay for a turbo. i was told that it was in good shape w/ no play, bulls**t now i need to rebuild it but now i dont know if i should trust the person on what kind of turbo it is you know i want to get the right rebuild kit on the first try. i was told it was a t3. here is the info that i have from on the turbo tag----- cust p/n 75 2140, atd p/n 466420-2, s/n 0175a, model no. tb0339, made in england, airesearch turbocharger division, garrett, uk pat # 1077583 please help thank you, you can email me at gs455stg1@aol.com