Siemens turbines

I am looking for original spare parts for a Siemens turbine.  General Electric

2.1.  SGT-800: 2424705-E 

12424253-D      872424254-A    872423972-A 502423937-A.     492424131-A.    22424132-A. 
12.2   GT13E2 HTCT155944P000163

HTCT155750R000263

HTCT155751R000263 HTCT155658P000140 HTCT155659P000446 HTCT155659P00051 HTCT155659P00061 HTCT155752R001446 HTCT155752R00151 HTCT155752R00161 HTCT022505R000148