There is the head light inner ring riveted to the bucket on the front. Whatyou might see between the bottom and the fender is rubber gasket but the bucket is open to the fender except for a cross piece toward the front bottom. My parking light housing is one piece. I have seen the 41 on ebay and it is a lot different. My truck is titled 46 but it has exposed welds on the a pillar, a leather gas tank gasket,curved door painted door handles. I am sure gm used parts up from the 41 or even before to assemble my truck so I betyou have amix too.