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whats the difference in MA-4SPA P/Ns???

echostar7

Active Member
I am looking at buying a new MA-4SPA for my O-320-E2A engine, but there are several marvel PN's associated with my engine,

10-3678-32
10-5009
10-5217


what is the difference other than price on aircraft spruce?
Edit: in my research of past posts it appears this has been answered before In this thread: https://vansairforce.net/community/showthread.php?t=46571&highlight=ma-4spa&page=2

Seems 3678-32 will have the highest flow rate and the choice for me.
 
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