3/8" sprocket and clutch kit for STIHL 017 018 MS170 MS180 021 023 025 MS210 MS230 MS250

【Compatible】STIHL 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, MS250 Chainsaws. 【Packing List】As shown in the image. 【Easy to Install】Each replacement part perfectly matches the original part; installation and replacement work will be quick and easy. [Part Number] 3/8LP Pitch Spur Gears: #1123 6402003 and 1123 6402073. Clutch Assembly Replacement: #1123 1602001. Worm Gear Replacement: #1123 6407102. Product Description   We are committed to providing high-quality products and friendly customer service to every customer.   Item comparisons, photo comparisons, original photos and details.       Compatible with chainsaw parts: Suitable for Stihl chainsaws 0170, 180, 210, 230, 25, MS170, MS180, MS210, MS230, MS250. 11236402003, 11236402073. Clutch parts: 11231602001. Worm gear accessories #11236407102.