Many of the same models use different parts based on
.Trimmer Head Rebuild Kit Fits Stihl 25-2 FS 44 55 80 83 85 90 100 110 120 130 20 One 1 Aftermarket Replacement Trimmer Head Spool, Cap, Spring & Eyelet Sleeve KitFits Stihl Trimmer Models:FS44, FS55, FS80, FS83, FS85, FS90, FS100, FS110, FS120, FS130, FS200, FS250, FS-KM, KM55, KM85, KM90, KM110, KM130Kit Contains:1 Trimmer Head Bump Spool w/o Line for Autocut 25-21 Upper Trimmer Head Bump Spool Cap / Cover1 Trimmer Head Bump Spool Cap Cover Spring2 Trimmer Head Eyelet Sleeves Aluminum MaterialReplaces Part Numbers:Spool: 4002-710-2191, 4002-713-3017Cover: 4002-713-9708Spring: 0000-997-1501Eyelet Sleeves: 4002-713-8300, 4002-713-8301 The model numbers listed are for reference only.