If you find a source, list it here with all the info you can, links, description, price, part number etc.
Kubota Engines and Parts
Models:
EA300
EA330
Z482
D722
D902
D905
D1005
D1105
And More
Next Generation Power Engineering, Inc
1732 Saint Johns Bluff Road
Jacksonville, Florida 32246
Telephone 904-642-8555 or 888-463-9879
Fax 904-642-8175
They are a great bunch of guys.
Henry