Rt Angle Gear Box For Stihl 4128-640-0101 4128-640-0125 FS160 FS180 FS290 FS310 by Rotary $62.96 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Gear PRODUCT DESCRIPTION DESCRIPTION Angle Gear Box Assembly replaces Stihl 4128 640 0101 and 4128 640 0125. Right angle gear box for brushcutter. Fits models FS160, 180,220,280,290,300,310. FITS MODELS STIHL FS160, FS180, FS220, FS280, FS290, FS300, FS310 REPLACES OEM STIGA 4128 640 0125 STIHL 4128-640 0101