6*/set 3/8" Sprocket Clutch 6Teeth For Stihl 017 018 021 MS170 MS180 MS210 MS230

Stihl 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250. 3/8 LP pitch spur sprocket replaces#: 1123 640 2003, 1123 640 2073. Pitch: 3/8". Clutch assembly replaces#: 1123 160 2001. Worm gear replaces#: 1123 640 7102.

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