This NOS GM #1987061 D3986 rectifier, still in its original packaging. It is a vintage part, perfect for those restoring classic vehicles. This rectifier is compatible with a variety of brands and models and is a great addition to any collection. Don't miss out on the opportunity to own this rare and valuable piece.  Taken out of the box for pics only.  Numbers have faded and are hard to see on the box. Email with questions & Thanks for looking. Check out my other offerings for more great items.