I just searched by the original GM part number and one place shows to have a new "lever" part number 9779349 on hand. Here's their contact info if you'd like to give them a try. Just be sure to ask for a photo of the part to verify that its not mislabeled or misboxed.
Llewellyn Obsolete Northridge Gm
NORTHRIDGE, CA 91326
818-966-6975
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