O-Ring - Cylinder Head - 18.5mm - OEM - KZ1000 - KZ1100,XKAQ-00219 Floating Seal, Group Seal Applicable to Excavator,Amazon.co.jp: MTLBCYCLE ウォーターポンプシールガスケットO,4R36-07G0]times 2. One watch keeps almost perfect time,XKAQ-00219 Floating Seal, Group Seal Applicable to Excavator