31NB-50243 ARM CYLINDER SEAL KIT FITS Hyundai R470LC-7 AFTERMARKET EXCAVATOR PARTS,NEW,IN STOCK,FAST SHIPPING BY USPS 1-3 DAYS ARRIVE . SIZE CHECK:ROD 125 & BORE 185 OTHER AVAILABLE PARTS: BUCKET ,BUCKET PIN,SPROCKET,IDLER FRONT,TOP CARRIER ROLLER...