3/8" Sprocket and Clutch Kit for STIHL 017 018 MS170 MS180 021 023 025 MS210 MS230 MS250, Sprocket + Clutch Drum + Bearing + Washer + E-Clip + Spark Plug 7 in 1

【Compatible With】For STIHL 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, and MS250 series chainsaws. 【Package Includes】 1 × sprocket, 1 × clutch, 1 × sprocket bearing, 1 × worm gear, 1 × washer, 1 × E-clip, 1 × spark plug. 【Easy to Install】Each replacement part is a perfect match for the original; installation and replacement will be quick and easy. 【Part Number】 3/8" LP pitch spur gear: # 1123 640 2003 and 1123 640 2073. Clutch assembly replaces: # 1123 160 2001. Worm gear replaces: # 1123 640 7102. 【Quality Guaranteed】 This high-quality gear kit will help you easily repair your chainsaw and restore it to peak performance. Keep your chainsaw running like new.