... 2) Competitive price 3) Secure service 4) OEM Product Name: CUMMINS piston ring Diameter: 139.7 MM Ring Height:3.76 ... 4.75Piston ring for diesel & gasoline auto series 1. Dia 40mm – 150mm2.AutotypeKOMATSU,BEDFORD,BMW,DODGE,MITSUBISHI,NISSAN,CUMMINS, ISUZU, DAEWOO, CATERPILAR ... 4) OEM We can produce all kinds of gasoline & diesel engine piston ring and compressor ring. The merchandise diameter range ...