Oregon Pro Spur Sprocket 38145X (3/8" x 7) for Stihl
Stihl: 029, 034, 036, 039, MS 290, MS 310, MS 340, MS 360, MS 390
Replaces Stihl Part Number: 1125-640-2004
Fits Crankshaft Diameter .3937 (10mm)
Drive Sprocket Bearing 37325
Replaces Stihl Part Number: 1125-640-2004
Fits Crankshaft Diameter .3937 (10mm)
Drive Sprocket Bearing 37325
Rim & Drum Option 34162X