Lawn tractor mower mower pulley compatible HUSQVARNA models: CT131, CT141, CT151, CTH140 Twin, CTH141, CTH150 CTH150 Twin, CTH150 XP, CTH151, CTH151 T, CTH171, CTH172, CTH1736, CTH180 Twin CTH180 XP, CTH182 T, CTH191, CTH192, CTH200 Twin, CTH202 T, CTH2036 T, CTH2036 Twin CTH2036 XP, CTH2038, CTH210 XP, CTH220 Twin, CTH222 T, CTH2238 TE, CTH2542 T, CTH2542 Twin CTH2542 XP, CTH2642 TE, LT125, LTH131, LTH135, LTH151, LTH152, LTH1536, LTH1538, LTH1597, LTH16542, LTH18542, LTH2113, LTH125, LTH1342, LTH135, LTH151, LTH152, LTH1536, LTH1542, LTH1742 LTH1797, LTH1842, YT150, YT155, YTH135, YTH150 XP, YTH151, YTH1542 XP, YTH155, YTH170 YTH180 XP, YTH1842 XP, YTH1848 XP, YTH200, YTH210 XP, YTH2148, YTH2148 XP OUTER DIAMETER MEASUREMENTS: 76. 50 mm INTERNAL DIAMETER: 10.5 mm HEIGHT: 54 mm