Fertilizer Countershaft Unit Idler Gear for IH Farmall 140, 130, Super A, 100, Cub, and Other Tractor Models.
This 7 tooth idler gear, also referred to as idler sprocket, is located on the main drive chain tightener.
Case IH part number PO3089.
Also used on the below listed International Harvester (IHC) equipment:
Planters- Cub-173A, Cub-174A, and 184.
Fertilizer Units- 101, 118, 2CK-201, C254, 2C254A, K254, 216, 217, 417, 224, 34-401, 401, and 426.