Blackbetty

‘37 Plymouth radiator cap

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Any suggestions? I learned the ebay lesson the hard way. 36 bucks for a useless piece of stamped metal. Best I can figure the radiator is original. Thanks all

 

Chad

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Posted (edited)

I should be clear: the photo of the cap is the one I am trying to replace. I was sent an incorrect nos cap but I effectively destroyed it trying to make it fit. Bernbaum doesn’t have the ‘37-‘38 cap in stock. Thank you for the tip though. 

Might have found a workable solution with this non-vented vintage john deere fuel/radiator cap: https://www.steinertractor.com/MHS045-Cap-with-gasket-Used-as-a-radiator-cap-or-a-fuel-cap-depending-on-the-model-tractor

 

I am going for roadworthy, not showcar. Thanks

Edited by Blackbetty
Clarity (see edit history)

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I have a 38 Dodge that takes a R-1. The R-2 is smaller and does not fit. Just for info.

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Thanks all for the replies. I did end up ordering the steiner cap. Their website is very user friendly as it gives detailed measurements for each cap. Better rubber than nos as well. The few short test drives have sloshed coolant out and dangerously close to the generator. 

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In case anyone was following this..strike two. The tractor rad cap referenced above seemed to fit beautifully, but did not seal. Had coolant sloshing out as I turned around in the parking lot at the end of my street. The nos caps available on ebay just look tired to me. I have ordered another that seems like it might do the trick. 

 

https://www.steinertractor.com/JDS504-Fuel-Cap-Radiator-Cap

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