Stihl TS 700

[Tothemax]

Hello. I have a TS 700 that needs a new piston and cylinder. I googled and found lots of aftermarket and OEM options but some say there could be two different versions. Can someone tell me what version I need?

SN/166503863

Thanks

 

[ironman_gq]

Should be a P/N on the factory cylinder

 

[Tothemax]

I did not see one.