PARTNER: 350, 351, 370, 390, 420. PISTON RING. PISTON RINGS. PISTON RING SIZE: 34MM X 1.5MM. PART NUMBER: 4119 034 3001. STIHL: FS120, FS120R, FS200, FS200R, FS250, FS250R, FS300, FS350, FS160, FS180, BT120C, BT121.
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