OIL SEAL 1.Good quality 2.Reasonable price 3.Quick quotation 4.Best service OIL SEAL Engine TypeBrand Name Material 170F YAMAMOTO Rubber 178F YAMAMOTO Rubber 186F YAMAMOTO RubberIn addition, we can also supply all other parts of these three types of air cooled diesel engines.Looking forward to your order.If you have any requirements,pls send me inquiry. OIL SEAL ( 170F , 178F , 186F )