Mechanical clutch for lawn tractor lawn mower compatible HUSQVARNA models: CT151, CTH151, CTH171, CTH172, CTH191, CTH140 XP JONSERED models: LT2115 CM, LT2115 CMA, LT2116 CM, LT2116 CMA2, LT2117 CMA MC CULLOCH models: M12592 RB, M12T92 RB, M13592 HRB, M13592 RB, M155107 HRB, M185107 HRB PARTNER models: P12592 RB, P13592 RB, P145107 HRB, P155107 HRB, P185H107 HRB, P18H107 RB, P200107 HRB, P20H107 RBK RALLY models: RB11592 RB, RB125T92, RE13592 RBK, RE145H92 RBK, RE175H107 RBK, REN13592 RB, REN175 HRB, REN18 HRB Dimensions: disc distance from top to bottom: 115 mm height: 179 mm bottom pulley diameter: 90. 30 mm upper pulley diameter: 111.80 mm inner diameter: 25.4 mm Original part number: AYP 198144 HUSQVARNA 532 19 81-44 532198144 583 24 36-01 583243601 7391883391297 JONSERED 532 19 81-44 MC CULLOCH 532 19 81-44 PARTNER 532 19 81-44 RALLY 532 19 81-44 CZ