Replaces Stihl part number 1117-190-0601, 1171900601. Fits 038, 041 (after serial #5816401), 042 (afterserial #5676790), 045 (before serial #5919430), 048, 050, 051 (after serial #674961), 056,070, 076, TS350, TS360, TS510, TS760, MS380,FS410 and TS08; FS410AVE trimmers