You need a P/N 7804414, which is available from HEARTBEAT CITY
for a small fortune, or ZIP PRODUCTS
for $11.50. Zip is out of them right now, but they show they'll be shipping them again on March 13th.DOC REBUILD
has them in stock for $21.75 (P/N 2187406 - #S on the page I linked you to) if you have to have it "right now".
If none of those sources work, then Landmark Chevrolet in Houston, TX shows they have an NOS one in stock for $18.30. Give them a call at 800-800-7278.
And yes, the Corvette part is exactly the same as the Camaro part. As a matter of fact, it was used by most GM cars and trucks well into the 80's!