Yamaha 4NK-23145-00-00 OIL SEAL; 4NK231450000 , 4NK-23145-00-00, 55Y-23145-L0-00 New OEM Yamaha Oil Seal OEM Part Number: 4NK-23145-00-00 | Previous: 55Y-23145-L0-00 Item only fits specific models listed. The picture could be generic. Message us with VIN/HULL for fast fitment verification.