Japanese company MUSASHI OIL SEAL MFG. CO., Ltd dates back to 1948. Since its inception, it has specialized in the production of oil seals, valve stem seals and various rubber seals for the automotive industry. The main office of the firm is located in Tokyo, and Musashi Oil Seal also has two factories in Chiba and Tochigi prefectures. The company has a large assortment of oil seals for Japanese cars, and therefore ranks first in the domestic market in Japan. MUSASHI OIL SEAL MFG. CO., Ltd supplies products not only to the aftermarket, but also to the conveyors of car manufacturers.