1/2" Manifold Washer Fits International Tractor Fits:International- Late H SN: 106907 & up, M SN: 41346 & up, O, T, W4, W6 series, Supers; 300 - 450, 666 diesel, 1566 using D312, D360, D414, D436, D466 engines; 3388 - 7488 Specifications Dimensions: 0.993" outside diameter 0.518" inside diameter 0.188" thick Replacement Numbers: International- 43753D Sold individually. Do you have an Early model H or Early model M? See our 3/8" manifold washer, JJAB2308. 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.