pcolleary Posted August 3, 2014 Share Posted August 3, 2014 Hi If anyone has any ideas on these caps I would be gratefulregards Pat Link to comment Share on other sites More sharing options...
1912Staver Posted August 4, 2014 Share Posted August 4, 2014 I doubt anyone has a comprehensive cross reference. There were so many different ones , many O.E.M. but also generic replacement. When I see them at swap meets I just buy them if the price is reasonable and add them to my rad cap drawer. When I need one I look through my collection until I find one that fits. Or mark down the size of the rad neck thread in my swap meet note book and keep my eyes open if I don't already have that size. Yours look to be in decent condition so you should be able to find a new home for them. Most people are not going to worry about what they came off of. They will just want to know that the size and thread t.p.i. is a match for their rad. Link to comment Share on other sites More sharing options...
pcolleary Posted August 4, 2014 Author Share Posted August 4, 2014 thanks for the inputpat Link to comment Share on other sites More sharing options...
Craig Gillingham Posted August 5, 2014 Share Posted August 5, 2014 The first cap looks a lot like the 1920's Dodge 4 radiator cap. Except, most of the Dodge caps I've seen have the DB stamped on the bottom. I've attached photos of one I have. The dimensions of the one I have is 2" and a 18tpi.The second and third cap looks a little like the 1920's Chevrolet cap. I haven't got one on hand to photograph, and I know I have one the same that is made in Poughkeepsie, somewhere. Although, I have found that the Chevrolets up to 1927 used a 1-3/4" and a 16tpi.I hope this is of some help. I too would like to find a cross reference of radiator cap sizes, there maybe an obscure catalogue someone has. Link to comment Share on other sites More sharing options...
pcolleary Posted August 5, 2014 Author Share Posted August 5, 2014 Thanks very much Link to comment Share on other sites More sharing options...
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