applicable for cummins engine: mechanical type engine C series Technical parameter: oil: 15W- ... .5-30, B Gas Plus, QSB6.7 CM850, ISDe CM2150, 4B, ISBe CM2150, QSB5.9-30, ISB CM550, ISBe4 CM850 (6 ... .9, ISBe CM850, QSB3.9-30 oil pump applicable for cummins engine