Everyone claims they did, I think it's BS. I have searched for years and have never been able to find the Pontiac number. There is a very knowable Pontiac SD gentleman in Ca. that told me he purchased an NOS scoop off of EBay and he claims that there was a GM part number stuck over the Ford part number. When asked to see the box, he says he didn't think anything of it and three the box away. The guy has never lied to me about anything else but I don't believe that. Another source was Hayden and I talked to him at Great Bent and he said he had no knowledge of it. I have never had a chance to talk to Arnie, according to most accounts Arnie was the one that stirred it up. So, the answer to your question to your question is I don't know. Pontiac people will say very positively that there was a part number issued to the scoop but in 20 years of searching nobody can produce it