Wow, Thanks for the quick reply. My local JD dealer went out of business several years ago. I was hoping I could get the info without having to drive 40 miles to the next closest dealer. Why wouldn't JD put a part number for these very necessary parts in the info book privided with the equiptment? Maybe so they could sell a parts book...Surprising as it may be, I've done a search and have not been able to find the part you need,
but maybe someone else can help you locate a online store that sells them.
I suppose your John Deere dealer would be willing to order some for you?