... . 4. OEM & ODM welcomed. Valve Seat Ring1. Engine parts valve seat ring is used for different egines, Automobiles, Marines, Air compressors, Engineering ... etc .2. Wide range size for different bran engine. Cummins, Hino, Mitsubishi, Yamaha, Benz, Deutz, Komatsu, Caterpillar, Perkins, Volvo, Kia, Fiat, Chrysler ...