The STIGA 1235900040 Piston Kit is a genuine OEM replacement part designed for various STIGA lawn mowers and garden equipment. This complete piston kit features a 63mm bore diameter and a 15mm piston pin diameter, ensuring precise fitment and optimal engine performance. It is compatible with STIGA models such as the Collector 34 E, Combi 340e, Combi 344e, Multiclip 47 S AE, and Multiclip 47 S AE B, among others. This essential engine component helps restore compression and power to your STIGA machinery.