Fuel pump
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,345
Likes: 1,768
From: Western NY
Seems it is a the same as a V8?
Speedway: https://www.speedwaymotors.com/MACS-...ku=91049112511
Mac's: https://www.macsautoparts.com/fuel-p...tid=49-11251-1
Speedway: https://www.speedwaymotors.com/MACS-...ku=91049112511
Mac's: https://www.macsautoparts.com/fuel-p...tid=49-11251-1
Hotshot
Joined: Oct 2009
Posts: 16,148
Likes: 4,747
From: Burbank, WA
I'm not sure what Speedway or Macs is selling, but according to Ford, they are different pumps using different repair kits. This is assuming the OP has a factory original pump. Googling the part number of the kit, A7A 9349 A only turned up this page of the catalog.
FordPartsWiki - Ford Truck Parts and Accessories Text Catalog FD 9464 January 1964
FordPartsWiki - Ford Truck Parts and Accessories Text Catalog FD 9464 January 1964
Fleet Owner
Joined: Jul 2004
Posts: 27,286
Likes: 1,050
From: NM
At our altitude, with ~2.5 psi or more lower atmospheric pressure, and the lower vapor pressure of gasohol, an electric pump was my choice to avoid vapor lock. Especially on a 226, the fuel line has plenty of opportunity to pick up engine heat as it winds its way around the engine compartment. I run an Airtex pump, it has been very reliable. If you are 6v, you'd want a p/n E8902, if you're 12v an E8016S. Either can be run without a regulator, they are 2.5 - 4 psi output. Made to last on gasohol, too.
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Laughing Gas
Joined: Aug 2016
Posts: 842
Likes: 461
From: Albuquerque and Colorado
At our altitude, with ~2.5 psi or more lower atmospheric pressure, and the lower vapor pressure of gasohol, an electric pump was my choice to avoid vapor lock. Especially on a 226, the fuel line has plenty of opportunity to pick up engine heat as it winds its way around the engine compartment. I run an Airtex pump, it has been very reliable. If you are 6v, you'd want a p/n E8902, if you're 12v an E8016S. Either can be run without a regulator, they are 2.5 - 4 psi output. Made to last on gasohol, too.
I may run both, I’ve done that on another old car where I use the electric just for starting to prime the carbs.
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,345
Likes: 1,768
From: Western NY
According to RockAuto's catalog, they have your fuel pump, but I think it may not be for the 226:
https://www.rockauto.com/en/moreinfo...t=6256&jsn=879
Napa lists what seems to be a Carter equivalent to the RockAuto:
https://www.napaonline.com/en/p/NNPB...pressionRank=2
C & G lists a different style fuel pump for your 48 which I think is an Airtex 592:
https://cgfordparts.com/ufolder/ford...umber=592-9350
LMC also lists that style for the 226, but does not have it available for order:
https://www.lmctruck.com/1948-56-for...-56-fuel-pumps
Summit Racing has the Airtex 592, but doesn't catalog the application:
https://www.summitracing.com/parts/atx-592
The Airtex 592 seems to be the same as the Airtex 578 (V8 fuel pump) excepting the actuating mechanism, hence why places these days sell the same rebuild kit for the 6 and V8.
Edit: What a rabbit hole you sent me down researching this all! Quite enlightening for myself.
https://www.rockauto.com/en/moreinfo...t=6256&jsn=879
Napa lists what seems to be a Carter equivalent to the RockAuto:
https://www.napaonline.com/en/p/NNPB...pressionRank=2
C & G lists a different style fuel pump for your 48 which I think is an Airtex 592:
https://cgfordparts.com/ufolder/ford...umber=592-9350
LMC also lists that style for the 226, but does not have it available for order:
https://www.lmctruck.com/1948-56-for...-56-fuel-pumps
Summit Racing has the Airtex 592, but doesn't catalog the application:
https://www.summitracing.com/parts/atx-592
The Airtex 592 seems to be the same as the Airtex 578 (V8 fuel pump) excepting the actuating mechanism, hence why places these days sell the same rebuild kit for the 6 and V8.
Edit: What a rabbit hole you sent me down researching this all! Quite enlightening for myself.
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,345
Likes: 1,768
From: Western NY
Need to be cautious doing so as the electrical fuel pump acting on the mechanical pump can cause the diaphragm in the mechanical fuel pump to silently fail and pump your crank case full of gasoline for a very expensive mistake.
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Fleet Owner
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From: NM
Everywhere I looked for electrics or repair kits the story was the same: "On National Back-Order"....
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Laughing Gas
Joined: Aug 2016
Posts: 842
Likes: 461
From: Albuquerque and Colorado
According to RockAuto's catalog, they have your fuel pump, but I think it may not be for the 226:
https://www.rockauto.com/en/moreinfo...t=6256&jsn=879
Napa lists what seems to be a Carter equivalent to the RockAuto:
https://www.napaonline.com/en/p/NNPB...pressionRank=2
C & G lists a different style fuel pump for your 48 which I think is an Airtex 592:
https://cgfordparts.com/ufolder/ford...umber=592-9350
LMC also lists that style for the 226, but does not have it available for order:
https://www.lmctruck.com/1948-56-for...-56-fuel-pumps
Summit Racing has the Airtex 592, but doesn't catalog the application:
https://www.summitracing.com/parts/atx-592
The Airtex 592 seems to be the same as the Airtex 578 (V8 fuel pump) excepting the actuating mechanism, hence why places these days sell the same rebuild kit for the 6 and V8.
Edit: What a rabbit hole you sent me down researching this all! Quite enlightening for myself.
https://www.rockauto.com/en/moreinfo...t=6256&jsn=879
Napa lists what seems to be a Carter equivalent to the RockAuto:
https://www.napaonline.com/en/p/NNPB...pressionRank=2
C & G lists a different style fuel pump for your 48 which I think is an Airtex 592:
https://cgfordparts.com/ufolder/ford...umber=592-9350
LMC also lists that style for the 226, but does not have it available for order:
https://www.lmctruck.com/1948-56-for...-56-fuel-pumps
Summit Racing has the Airtex 592, but doesn't catalog the application:
https://www.summitracing.com/parts/atx-592
The Airtex 592 seems to be the same as the Airtex 578 (V8 fuel pump) excepting the actuating mechanism, hence why places these days sell the same rebuild kit for the 6 and V8.
Edit: What a rabbit hole you sent me down researching this all! Quite enlightening for myself.
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,345
Likes: 1,768
From: Western NY
Ford part numbers, their revisions, insignificant differences, and cataloging are a mess. I would just about guarantee a modern Airtex 592 will fit the bill. If you replace the whole pump, the diaphragm that is included is going to be just fine.
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Laughing Gas
Joined: Aug 2016
Posts: 842
Likes: 461
From: Albuquerque and Colorado
Unfortunately nobody has the 592
Parts Nerd Extraordinaire
Joined: Sep 2010
Posts: 4,345
Likes: 1,768
From: Western NY
There seems to be a promising listing on the auction site: https://www.ebay.com/itm/174672832812
You can try looking for an old Airtex 9786 there as well - it is very similar to the 592. However, one of two those likely has different inlet/outlet threads than the other (don't know what your truck has), but can be converted to what you need with brass fittings or with new lines. With out finding a new/re-manufactured pump, you are rebuilding your existing or purchased core. The L6/V8 rebuild kits mentioned early on here are likely to work on the critical internals for any of these, especially since Macs states it fits (call them and clarify) and there are seemingly no other real options out there.
You can try looking for an old Airtex 9786 there as well - it is very similar to the 592. However, one of two those likely has different inlet/outlet threads than the other (don't know what your truck has), but can be converted to what you need with brass fittings or with new lines. With out finding a new/re-manufactured pump, you are rebuilding your existing or purchased core. The L6/V8 rebuild kits mentioned early on here are likely to work on the critical internals for any of these, especially since Macs states it fits (call them and clarify) and there are seemingly no other real options out there.
Fleet Owner
Joined: Jul 2004
Posts: 27,286
Likes: 1,050
From: NM
You might contact either of these guys, they could say for sure if the parts are the same for 6 & V8, but also have good parts:
CharlieNY: cas5845@yahoo.com
Cowboy John: https://cowboyjohnsautoparts.com/
CharlieNY: cas5845@yahoo.com
Cowboy John: https://cowboyjohnsautoparts.com/
Tuned
Joined: Sep 2005
Posts: 250
Likes: 11
I just went through this on our 49 straight 6. The V8 kit worked for our truck. Only issue we have is the check valves on our pump seem to be in the casting (aftermarket pump I assume) so was not able to replace them. They weren’t leaking so I just replaced the springs and diaphragm. Runs like a top again. Reuse your arm and pin, because ours was slightly smaller than the one that came with the kit.