To mgibson....
If you follow the advice of weld and spud, you can get new plastics from taobao... Use the agent, from a website such as taobaotrends.com..
I'll help if I can, here is a link if you're interested....
https://item.taobao.com/item.htm?spm...2-6075e78bdbfe
The SET runs about $35 USD, plus whatever the shipping comes to..
Just thinking you might be interested..