Includes (3) 55-182 Bump KnobsNew, Bulk PackedGenuine OEM Replacement Part # 55-182-3PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Ryobi: 705r, 725r, 725rE, 767r, 767rJ, 767rJ, 775r, 775r, 775r, 775r, 775r, 825r, 825r, 875r, 875r, 875r, 875r, 890r, SS725r, SS725r, SS725r, 137R, 105R, 105R, 132R, 2075R2-Cycle, 975R, 825RA4-Cycle, 975R, SS725R, RLH100DS, 825r, MTD: MP426CS, 41AD26SC900, 41BD26SC900, 41AD725C900, 41AD725G900, Troy-Bilt TBSSAttachment, TBSSAttachment, TBSSAttachment, TBSSAttachment, TB32CS, TB32CS, TB25CS, TB25ET, TB25CS, TB25ET, TB25CS, TB25CS, TB25CS, TB25CS: TB25CS, TB25ET, TB25ET, TB475SS, TB25ET, TB475SS, TB475SS, TB475SS, TB75SS, TB75SS, TB75SS, TB75SS, TB75SS, TB75SS, TB75SS, TB525CS, TB525CS, TB525ET: TB575SS, TB575SS, TB425CS, TB425CS, TB425CS, TB425CS, Yard Man, YM132, YM137, YM137, YM21SS, YM25, YM26SS, YM26SS, YM26CS, YM26CS, YM26CS, YM75, Bolens, BL26SS 41AD26SC965