16016 Flat Deck Idler Pulley Compatible With MTD / Cub Cadet 756-05042 Fits MTD models ZTS 42", 46" and 54" cut, ZTL 42", 50" and 54" cut, Z6000, Z6400, Z6600, Z8200, Z8400 and Z8600. Fits Cub Cadet models GT1054, GT2050, GT2148, GTX2154, PRO Z 100, RZT-L42. Fits Troy-bilt models Mustang XP 42", 46" and 54" cut, LT3812, LT4216 and others. FLAT OD | 4-7/8" | FLANGED OD | 4-1/4" | ID | 17 mm | |