In the parts manual you can see the two part #'s
At the bottom of the page you can see the serial #'s they are used on
Looks like one is use on the non tubo and the other is for the turbo model
I have attached page from parts manual for C-337 65 thru 69 models
A 337D is a 1969 Model
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1967 337B
Flying in Skymasters since I was 16
Last edited by Frank Benvin : 01-11-25 at 09:23 PM.
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