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W9 mccormick

there are two fuel pumps for the w-9, an early one and a late one. i have my parts book at the shop, shoot me an email and i can look them up for you with the serial number breaks tomorrow. i have been trying to locate a rebuild kit for my pump, but so far, no luck. they are ac fuel pumps.
 
Alway had trouble with ours putting gas in the crankcase. Dad finally just put a line direct from tank to carb. Has ran that way for 40+ years. Forget the pump.
 
ok here we go. the w-9 series from serial numbers 501 to 31732 use the ac fuel pump 1521676, the ac number on the pump is 355 008 r91usually what goes bad is the diaghram, part number 855035, this will let fuel leak into the crankcase. for the w-9 gassers serial number 31733 and up, it uses fuel pump number 355 008 r91, ac number 28 659 ha, the diaghram for that pump is part number 3591871, it is the diaghram with pull rod. i have the ih parts catalog tc-32d fpr the 9, wd-9,wr-9,wdr-9. if you need any parts lookups give me a shout. i also have the books for the w-6, w-4 and sw6 ta series too.
 
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