For STIHL MS170 MS180 MS210 MS230 MS250 017 018 021 023 025 Chainsaw. Clutch Drum Type: 3/8" Pitch 6 Tooth. 1 x Clutch Drum. 1 x Needle Bearing. 1 x Clutch. 1 x Clutch Disc. Replace For OEM: # 11236402005 / 1123 640 2005.
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