Set of (2) Flat Idler Pulley Fits Cub Cadet RZT-L50 RZT-L54 RZT-S42 RZT-S46Two (2) New Aftermarket Replacement Heavy Duty Flat Idler Pulleys Fits MTD: 38", 42", 46", 54" Decks Fits Cub Cadet: GTX1054, GTX2154LE, LGT1050, LGT1054, LGTX1050, LGTX1054, CC760, CC760ES, i1042, i1050, GT1054, GT2544, GT2550, GT2554, RZT L50, RZT L54, RZT S42, RZT S46, RZT S50, RZT S54, SLTX1550, SLTX1054, LT1040, LTX1040, LTX1042, LTX1050, RZT42, RZT50, RZT54, RZT L42, RZT L 46 Fits Craftsman: LT1000, GT5000 Tech Data: Inner Diameter: 3 8" Outer