This seal is for the shaft that the planter or fertilizer drive gear on the LEFT final rear drive unit attaches to
Case IH connector part number 520129R1
L306K24 Undermount and Mid-mount Kubota L245FP
Pulley insert is 1-1/8" inch inside diameter and has 6 splines
They could be from the original equipment manufacturer or any number of aftermarket suppliers such as Weise
New Engine Distributor Gear for Farmall 140, 130, Super A, 100, Super C and Other Tractor Models This seal is for theNew 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,