Rear Crankshaft Seal w/ Gasket & Rear Main Cap Plugs Fits International Tractor Fits:International- 460, 560, 606, 656, 660, 706 gas, LP, diesel (no German diesels); 454, 464, 544, 574, 666, 674, 686, 756, 806, 826, 856 gas, LP; 340, 504 diesel (no German diesels Specifications 4.568" outside diameter (OD) 4.000" inside diameter (ID) 0.375" wide Set includes:1 pc. lip seal, rear seal housing gasket and 2 plugs. Replacement Numbers: International- 308406R1, 368568R1, 374006R91, 393180R91, 403066R91, 538983R1 Fits following:6 Cylinder engines / power units: C-157, C-175, C-200, C-221, C-263, C-282, C-291, C-301, D-188, D-236, D-282, D-301 All JJAgParts items have been hand selected by our team and are continuously monitored for Quality. Should a craftsmanship or fitment concern be identified, JJAgParts will work with you to stand behind our products. JJAgParts is an American owned and operated family business! Here at JJAgParts, we strive for customer satisfaction. If you are not satisfied with your order, please contact us so we can make it right. Note: OEM Part Numbers are for reference only and should be verified before purchase.