Hi,
You can check here...
http://www.rivalproducts.com/category.aspx?cid=1124

Or call Rival directly...1 866 321 9509

Here is a tip also, that may help you...

Ice Cream Maker Parts, Instruction Manuals and Recipes
http://www.fixya.com/support/r5322664-ice_cream_maker_parts_instruction

heatman101