3/8" 6T Sprocket Clutch Drum Kit for Stihl 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 Chainsaw with Washer E-Clip Kit Replace 1123 640 20031123 640 2073

Compatible Model: Clutch drum kit for Stihl 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 chainsaw.

Replacement Number: Sprocket clutch replace for 1123 640 2003, 1123 640 2073, clutch assembly replace for 1123 160 2001, worm gear replace for 1123 640 7102.

Sprocket Type: spur, pitch: 3/8" LP, sprocket tooth count: 6-teeth, please check the details for compatibility before ordering it.

Package Include: You will receive 1pc sprocket , 1pc 6-T clutch, 1pc sprocket bearing, 1 pc worm gear ,1pc e-clip, 1pc washer.