1. Diesel engine valve seat ring 2. ISO 9001-2000 3. Quality casting and machining parts. 4. OEM & ODM welcomed. Valve Seat Ring1. Engine parts valve ... engine. Cummins, Hino, Mitsubishi, Yamaha, Benz, Deutz, Komatsu, Caterpillar, Perkins, Volvo, Kia, Fiat, Chrysler, Ford, Chevrolet, Dodge, Buick, Lada, Audi, Peugeot...etc. Series ...