Oregon 34-006, IDLER 2 1/4IN X 3/8IN FLAT Also Replaces: AYP: 4933H BOLENS: 171-5340, 1715340 FMC: 171-5340 MTD: 756-0117, 7560117 PHOENIX: F3616 ROPER: 4933H, 76980 SIMPLICITY: 1668477, 1668477SM Product Code:34006