Chain Spur Sprocket 1123 640 2005 for STIHL Motor Chainsaw 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 (3/8" 6 teeth) Gas

Aftermarket Brand: ITACO
For STIHL 017, 018, 021, 023, 025, MS170, MS180, MS210, MS250 chainsaw models.
Replaces STIHL part number: #1123 640 2005
Clutch Spur Sprocket : Pitch 3/8", Picco 6 teeth, Item includes: Sprocket bearing (see picture!!)
Chainsaw STIHL Motor Engine Patio Lawnmower parts