The STIHL IA010071601 is a genuine OEM packing set designed for various STIHL 4-MIX engines. This essential service part ensures optimal sealing and performance for a wide range of STIHL equipment. It is compatible with BR series blowers (BR 500, BR 550, BR 600, BR 700, BR 700 X, BR 800 C-E, BR 800 X), FS series trimmers (FS 90, FS 90 R, FS 100, FS 100 R, FS 100 RX, FS 110, FS 110 R, FS 110 X, FS 110 RX, FS 130, FS 130 R), FC series edgers (FC 90, FC 95, FC 100, FC 110), FR 130 T backpack brushcutters, HL series hedge trimmers (HL 90 K, HL 95, HL 95 K, HL 100, HL 100 K), HT series pole pruners (HT 100, HT 101, HT 102, HT 103), KM series KombiEngines (KM 90, KM 90 R, KM 100, KM 100 R, KM 110 R, KM 130, KM 130 R), SP 90, SP 90 T, SR 430, SR 450, and BT 130. Using genuine STIHL parts like this packing set helps maintain the reliability and longevity of your machinery.