Autolite Regulator Question

Posted by Packard Newbie On 2017/10/2 19:36:54

I want to replace the regulator in my '39 Six 1700. I came up with one online that is NOS, looks to be in excellent condition and says it is correct for '37-'39 Junior cars. It is a VRR-4002B. The seller says Tuscon Packard told him this was 'spec-correct' for 37-39 Junior cars. When I check on the Packard parts site, it looks to me like they say a VRD-4001A or a VRD-4005A is the correct number for a '39 1700. Knowing how much these numbers can get switched up over the years, can anybody help me with this?? For what it's worth, the NOS unit on Ebay doesn't look like the one in my car, but I have no way of knowing if mine is original or has been 'crossed' with another model. Pictures below; first one is what mine 'looks' like, 2nd is Ebay offering. Thanks to any help or input anyone can offer up.

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