This is an O.E.M. authorized part. Fits various MTD models. OEM Part Number 917-04861. The product is manufactured in US. Fits in the popular models (but not limited to)31AS62EE599, 31AH55K7504, 31CM53TE599, 31AH53TR756, 31AH5EL9501, 31AH54KG500, 31AH5FPH599, 31BH5EP9563, 31AH5LTT710, 31AM53KE504, 31AH5DL7501, 31AH5LTT756, 31BM5BKE501, 31AH55KH504, 31AH5FKF501, 31AH5DST596, 31AM68PE599, 31AH53TR710, 31AE6FHF552, 31AE6B0H500, 31AH5EKZ897, 31AE6GLF596, 31AH5MLH501, 31AE5KLG513, 31AE6MKH515, 31AE7H8F599, 19A40024100, 31AM5BQ2563, 31AH54LF501, 31DH65KH515, 31AE63KE504, 31BS63EE500, 31AH55LH501, 31AS62ED500, 31AH54KF501, 31AM53KE501, 31AS53TF599, 31AS63BD500, 31BM53LE565, 31AH5ETQ599, 31AH64FG500, 31BM53Q2563, 31AH55LH565, 31AH65KH500, 31AM53LE501, 31AM63KE504, 31AM59SS596, 31AS6BEE516, 31AA6AHE552, 31AE6LKG500, 31BM53K2509, 31AS62EE583, 31AH54KS596, 31AS62BD500, 31AM73TS710, 31BH65KH515, 31AH55K4590, 31AH54K3590, 31AM63KE515, 31CM53K2509, 31AH54Q4563, 31AH6FFG500, 31AH5EP9563, 31AH5DK7897, 31AH5EVV596, 31AH54LF565, 31AH54K3509, 31AH8ESJ506, 31AM63K2509, 31AH8ESJ596, 31AM5CPG599, 31AH5ER9563, 19A40045OEM, 19A40024OEM, 31AH5FK4897, 31BM6BKE515, 31AM6BP2563, 31AH6FV6897, 31AM5BTR596, 31AM56KF504, 31AH55R7563, 31AH55LU596, 31AH57K9504, 31AH54K6504, 31BH64FF500, 31CH54TF599, 31AH74KG506, 31CH54TE599, 31AH74KG504, 31BH5DP8563, 31BS63BD516, 31AM6BKE515, 31AM63KE500, 31AH57TH599, 31DH54TE599, 31AH54L3509, 31AS62N2711, 31BM63P3711, 31AS63EE799, 31BS6BN2711, 31AS53TF799, 31BS62EE799, 31AS6BEE799, 31AS58TF799, 31AM6BO3711, 31AS68SF799, 31AH55R5711, 31AM5BTR756, 31A-3ABD799, 31AS63EF729, 31AS63EE700, 31BM63P3766, 31AM6CP4711, 31AS63EF700, 31AS6AEE799