Your overhaul will be easier to execute and with a more professional outcome when you specify new genuine factory parts like this Washer
rather than making do with the old corroded, maybe slightly damaged item!
For other new parts to make your task easier and with better results check out our online schematic for your model.
Some similar items:
Factory specified parts are frequently good value and ALWAYS great quality. Order all the fasteners, seals and gaskets required at the same time and avoid multiple shipping costs.