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Unread 02-20-24, 10:27 PM
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Frank Benvin Frank Benvin is offline
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Join Date: Apr 2002
Location: CYCD
Posts: 336
Frank Benvin is an unknown quantity at this point
I bought my pumps for my 1967 337b from https://aircraftaccessoriesofok.com/

Duke 4140-00-15 This was the physical part # on my pumps Luckily I had a couple spares from a 1967 337b parts plane

They had them in stock but you must return your cores There is a core charge which they return if your cores are good I had some extra pumps kicking around so I sent them in and they confirmed that they were good cores so i was never charged the core charge

I had to replace my pumps with an original the dukes the other pumps for the newer 337's are not certified for the older models

Pull the panel and see if you can see the part # on your pump

Hope this helps

Frank
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1967 337B
Flying in Skymasters since I was 16

Last edited by Frank Benvin : 02-20-24 at 10:43 PM.
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