3/8" Sprocket and Clutch Kit for STIHL 017 018 MS170 MS180 021 023 025 MS210 MS230 MS250 Chainsaws – Easy Installation – Spur Gears

【Compatible】 STIHL 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, MS250 Chainsaws.【Package List】 As shown in the picture.【Easy to Install】 Each replacement part perfectly matches the original part; installation and replacement will be quick and easy. [Part Number] 3/8" LP Pitch Spur Gears: #1123 640 2003 and 1123 640 2073. Clutch Assembly Replacement: #1123 160 2001. Worm Gear Replacement: #1123 640 7102. Product Description: We are committed to providing high-quality products and friendly customer service to every customer. Product comparisons, photo comparisons, original photos and details. Compatible with chainsaw parts: Fits Stihl chainsaws 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250. 1123 640 2003, 1123 640 2073. Clutch parts: 1123 160 2001. Worm gear accessories # 1123 640 7102.