MTD Pulley Kit No. 753-0518. This is an original mtd part that includes the pulley, bearing, shoulder bolt and assiciated hardware. Replaces mtd part number 7530518.
MTD Idler Pulley No. 756-05034. This is an original equipment idler pulley Size 4.50". Replaces part numbers 75605034, 756-05034A, 756 05034A and 756 05034