3/8" sprocket and clutch kit for STIHL 017 018 MS170 MS180 021 023 025 MS210 MS230 MS250, including sprocket + clutch drum + bearing + washer + electrical clamp + 7-in-1 spark plug

【Compatible with】 STIHL chainsaws in the 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230 and MS250 series. 【Package Contents】 1 × sprocket, 1 × clutch, 1 × sprocket bearing, 1 × worm gear, 1 × washer, 1 × circlip, 1 × spark plug. 【Easy Installation】 Each spare part fits perfectly; Installation and replacement are quick and easy. 【Reference】 3/8" LP pinion: #1123 640 2003 and 1123 640 2073. The clutch replaces part number: #1123 160 2001. The worm gear replaces part number: #1123 640 7102. Product Description We are committed to providing every customer with high-quality products and excellent customer service. To ensure compatibility, please compare your part with our photos and check the details. Compatible with the following chainsaw parts: For STIHL 017 and 018, 021, 023, 025, MS170, MS180, MS210, MS230, and MS250 chainsaws Compatible with the original 3/8 pitch sprocket LP 1123 640 2003, 1123 640 2073. Compatible coupling: 1123 160 2001. Compatible worm gear: 1123 640 7102. Package contents: 1 sprocket, 1 coupling, 1 sprocket bearing, 1 circlip, 1 washer, 1 spark plug, 1 worm gear