... consumption4)long working life4.Our piston ring model as follows:CommodityPart NumberCummins piston ring6BT,6CT,NT855,NH220,NH250,N14,V265 ... ,V300,VT6-280,M11,L10,K19, K38, K50Hino piston ringDM100, ... 3408(8N0822),D346, D343, D348, D398(1W5105),CAT145, CAT170Komatsu piston ring4D92, 4D94, 4D95, S4D95, S6D95, 6D95, SA1D95,6D102, ...