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 ... the Corrugated Carton and vellum paper diesel engine piston ring for WEICHAI YUCHAI DONGFENG KOMATSU CATERPILLAR CUMMINS VOLVO