TŁOK KOMPLETNY STIHL TS400 AIP Piston diameter 49mm Piston height 37mm Ring thickness 1.5 mm (2 pieces) Piston pin 10mm x 32mm Original No. (Comparison No.): 42230302000 Reference No. This is not an original spare part, but a high quality (OEM) replica part in OEM quality. Original part number and brand names are for comparison purposes only.