TŁOK KOMPLETNY OLEOMAC 746T, 446 EFCO 8460 AIP Piston diameter 42mm Piston Height 36.2mm Ring thickness 1.5 mm (2 pieces) Piston pin 12mm x 31mm 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.