Hi out there I started my 40 amp upgrade last week and my honda dealer says the o ring in between the alt. and mounting plate is back ordered until march 10 th. anyone out there have one thay don't need until the end of march. Gladley repay you tuesday for a hamberger today. part #91304-MAJ-G41 thanks. I have an old one that came on the used parts but would rather replace because of the effort involved. And thank if someone can help. scottman..