GOOD DAY WE WOULD LIKE TO ASK FOR YOU ASSISTANCE TO QUOTE US THE FOLLOWING PARTS FOR THE UNIT OF MX3 SAMSUNG EXCAVATOR WITH THE MODEL ENGINE 30a008318:quantity description 1 SET LINER PISTON&PISTON RING 1 set water pump assembly1 set main bearing(standard)1 set conrod bearing(standard) 1 set general overhaulin ggasket 1 set radiator under chassis parts: 2 Top roller 8 lower roller 3 kits hyraulic cylinder 2 kits control level repair kit ( left and right|)