Compatible With: Stihl HT73 HT75 HT100 HT101 HT130 HT250 KM90 KM110 KM130. INCLUDE: 1PC GEAR HEAD ASSEMBLY WITH SPUR SPROCKET 3/8"-6T AS SHOWN IN THE PICTURE. REPLACE OEM NUMBER: 4138 205 0008 4182 200 0070.
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