Engine Model:WEICHAI,SINOTRUK,KOMATSU, CATERPILLAR, CUMMINS,VOLVO PISTON RING for WEICHAI,SINOTRUK, Komatsu, CATERPILLAR, CUMMINS or VOLVOpiston ringO-ring;oil seal -piston ringFeatures:1)Good quality,good packing,good finish2)Competitive price,3)Long Service life: guarantee 100000km4)material:nodular iron,cast iron,steel,alloy,and etcPacking Details:1,We can design the packing by your ...