Steering Worm Shaft Seal Fits FARMALL B BN C H M Super C 200 230 TractorsOne New Aftermarket Replacement Oil Seal Fits FARMALL Fits International Harvester Models: B, B 450, BM, BMD, BN, C, H, HV, M, MD, MDV, MV, SBMD, Super BM, Super C, Super H, Super HV, Super M, Super MD, Super MDV, Super MDV TA, Super MTA, Super MV, Super MVTA, 200, 230, MTA Tractors. Fits FARMALL Rowcrop Models: 240, 300, 340, 350, 400, 404, 450, 504 Tractors Tech Info: 1. 000" I. D. 1. 503" O. D. 0. 250" wide. Replaces Part Number: 146741,