Case IH connector part number 520129R1
They could be from the original equipment manufacturer or any number of aftermarket suppliers such as Weise
Commonly used on Cub-172 and Cub-174 Belly Mount Planter Attachments
452 - INTERNATIONAL HARVESTER CULTIVATOR
This seal is for the shaft that the planter or fertilizer drive gear on the LEFT final rear drive unit attaches to
New Engine Distributor Gear for Farmall 140, 130, Super A, 100, Super C and Other Tractor Models Case IH connector part numberNew Distributor Drive Gear for IH Farmall and International Tractors and Crawlers listed below: A, AV, B, BN, C, Cub, H, HV, I4, I6, I9, ID6, ID9, M, MD, MDV, MTA, MV, O4, O6, ODS6, OS4, OS6, Super A, Super C, Super H, Super HV, Super M, Super MD, Super MDV, Super MV, Super W4, Super W6, Super WD9, Super WDR9, T4, T5, T6, T9, TD14, TD14A, TD18, TD6, TD9, W4, W6, W6TA (Diesel), W6TA, W9, WD6, WD9, WDR9, WR9, WR9S, 100, 130, 140, 200, 230, 300, 350,