psiton ring for cummins truck NnDESCRIPTIONOEM NoTYPE OF ENGINE16BT HINING PISTON RING3918315/3904531/39325206BT/4BT/6BTA/6BTAA/4BTAA 26BT UPGRADE HINING PISTON RING3918315/3904531/393252036BT STEEL PISTON RING3918315/3904531/3932520G46BTPVD PISTION RING3918315B/3904531B/3932520B56BT PLASMA PISTON RINGA3902401M/3904531/393252066BT UPGRADE SPECIAL HINING PISTON RING3918315/3904531/393252076BT ...