GMC park light rebuild question.

[ChuckDriver]

Just picked up a 55-56 GMC grill and need to do a little rehab on the park lights. It looks like I got two different types, one is a single element and the other is dual. We all know GM was good about using parts on many models and was hoping someone would know a cross reference for these.

Also need the lens mounting screws and a couple of "j-nuts" to mount the mustache.

Thanks!