Hi,
Hopefully I'm posting in the correct section here. I have a 1933 Dodge DP that was my grandfathers and has been sitting since he passed away in 2000. I have been doing a lot of work to it but my new project is the brakes. And I have no Idea what the rear is from, My dad said it possibly came from a rambler? Would anyone be able to identify this by the pic? It has a tag with 3.54 gears. And a stamp with saying US PAT. 2018188 Its similar in size to a Mopar 7 1/4" I'm hoping to identify this so I can get wheel cylinders and brakes.. Any help is appreciated!

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1996 cummins diesel ext cab, long bed
1966 Valiant 4dr(318- 3.55gears, 13.31@ 102mph),
1974 Duster(360- 13.63@ 99.96 w/3.23 gears),
1933 Dodge DP (201)