756 04129b Idler Pulley Replaces Craftsman 753-08171 Idler Pulley Kit, 753-08171 Cub Cadet Idler Pulley Kit 753-08171, MTD 753-08171 Pulley, MTD Idler Pulley 753-08171 MTD, Troy Bilt 753-08171, Troy-Bilt 753-08171, Troy Bilt Idler Pulley 753-08171, Cub Cadet Idler Pulley 753-08171, Cub Cadet 756-04129 Idler Pulley 756-04129, 756-04129 Pulley, Cub Cadet Pulley 756-04129, Craftsman 756-04129b Cub Cadet 756-04129b Idler Pulley 4.25, MTD 753 08171 Pulley, 753-08068 Pulley, 753-08068A, 756-04129C; Fits for MTD 17-Z-Series, C76GF, C79GF, CC760, CC760ES, GT-950H, GT-954, GT-954H, LT1500, LT-1700, LT2000, LT-2000, LT-2200, LT2500, LT3812, LT-4600H, LT-5000, LT538G, LT-542G, LT542H, LT-542H, LT-546G, LT-942G, LT-942H, LT-946G, LT-946H, LT-950H, M79GF, P91GS, P91GT, PGT9000, PYT9000, Q92GP, RZT42, RZT-42, RZT50, RZT-50, RZT54, T1000, T1200, T1400, V76GF, V90GS, V91GS Lawn Tractors; Fits for Yard Man RZT-42, RZT42, RZT-50, RZT-54, Rzt50, PGT9000, PYT9000, T1000, Troy-Bilt Big Red Gt50, Big Red Gt54, Big Red Horse, Bronco, Colt Xp, GT50, GT54, Horse, Horse XP, Mustang 42 Xp, Mustang 46 Xp, Mustang 50 Xp, Mustang 54 Xp, Mustang Colt Rzt 42, Mustang Rzt 50, Mustang XP, Mustang XP RZT50, Pony, Range, Rzt 42, RZT 50, Super Bronco, TB2142, TB2246, TB2450, TB2654, TB42, TBWC33XP, Thouroghbred, Tuffy, ZT42 Lawn Tractors; Fits for Cub Cadet MM60RSe, RZT-L46, RZT-S50, RZT-S54, GT2554, RZT50, Huskee LT3800, LT4200, Murray M19546, M200-46, M1642, M175-42, M195-42, M155-42, RZT-42, MZ210-42 RZT42 Lawn Tractors, MTD YT4220, YT4220SE, YT4622SE, YT542K, YT542KH, YT942KH, YT946KH, YT950KH, ZT42, ZT-42, ZT-4200, ZT50, ZT-50, ZT-5000, ZT54, ZT-54, ZT-L50, ZTL7000, ZTL8000, ZT-S46, RZT Zero-Turn Tractors; Specification of Idler Pulley: Outer Diameter: 4-7/8", Flat Outer Diameter: 4-1/4", Flat-Width: 3/4", Overall Width: 1-1/8", Bore: 3/8", Offset: 1/16"; Hardware for 756-04129 Idler Pulley: Hex Bolt: 3/8-16 x 1-3/4, Flat Washer: 0.407x0.812x0.13, Flanged Nylon Lock Nut: 3/8-16; 753-08171 Idler Pulley Replaces 753-08068, 753-08068A, 756-04129, 756-04129B, 756-04129C, 75604129B, YS-756-04129