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Fuel pump replacement.
#1369383 Thu Jul 16 2020 09:27 PM
Joined: Jul 2020
Posts: 2
G
Moderated
I own a '59 GMC 100 with the 4.4 inline six engine. I am trying to locate a new fuel pump, which appears to be a Airtex 531, but can't seem to find one available anywhere. Any help or suggestions would be appreciated!

Re: Fuel pump replacement.
Gramp's59 #1369389 Thu Jul 16 2020 10:30 PM
Joined: Nov 2002
Posts: 2,067
C
Carburetion specialist
Probably the best source for fuel pumps is "Then & Now Automotive". They are located in the Boston area.

Jon.


Good carburetion is fuelish hot air
The most expensive carburetor is the wrong one you attempt to modify
If you truly believe "one size fits all" try walking a mile in your spouse's shoes!
[image]http://www.thecarburetorshop.com/Avatar.jpg[/image]
Re: Fuel pump replacement.
Gramp's59 #1369390 Thu Jul 16 2020 10:36 PM
Joined: Feb 2001
Posts: 6,855
W
Master Gabster


Ron, The Computer Greek
I love therefore I am.

1960 MGA Roadster Sold 7/18/2017
1954 3100 Chevy truck in the Gallery
2017 Buick Encore
Pix on Photobucket
Re: Fuel pump replacement.
Gramp's59 #1369396 Thu Jul 16 2020 10:54 PM
Joined: Sep 2010
Posts: 607
K
Shop Shark
Try summit racing .


kevinski 1954 GMC 9300 Welcome to the virtual Garage
Re: Fuel pump replacement.
Gramp's59 #1369399 Thu Jul 16 2020 11:07 PM
Joined: Mar 2014
Posts: 1,665
J
Shop Shark
CarbKing gave you some good advice. My bet is your pump failed because of ethanol-laced gas. What you'll get from "Then and Now" to rebuild it will be ethanol resistant. I'll also bet if you buy a new Airtex pump it has a really good chance of failing for the same reason. Around 2014~2015 Airtex sent all pump mfg to China and Mexico. Good luck!


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: Fuel pump replacement.
Gramp's59 #1369427 Fri Jul 17 2020 02:18 AM
Joined: Aug 2017
Posts: 484
S
Shop Shark
Then & Now Automotive.
Very Friendly. Pretty fast turn around time too. Give them a call.
I am a customer for Life.
Todd

Re: Fuel pump replacement.
Gramp's59 #1373567 Sun Aug 16 2020 04:03 AM
Joined: Aug 2020
Posts: 11
N
New Guy
The fuel pump on my 216 has started to leak out the weep hole on the bottom side of the case. The parts store lists a replacement for my truck, but the pump arm that contacts the cam lobe goes down instead of up. Does anyone know if this will still work? Its a Carter M751

Re: Fuel pump replacement.
Gramp's59 #1373829 Mon Aug 17 2020 09:18 PM
Joined: Mar 2014
Posts: 1,665
J
Shop Shark
Is it possible to rebuild the pump currently in your 216? If you're wanting to continue with a mechanical pump, this might be a better alternative. I can not tell you where the Carter pumps are made for certain, but on other forums people believe they're made in China. And those may not have any resistance to ethanol blended gas. If you'd be interested in changing to an electric pump, I can tell you the one I've used for over 20 years with good luck. It is made in China, but most of them are and this one doesn't mind ethanol in the gas.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
Re: Fuel pump replacement.
Jon G #1373832 Mon Aug 17 2020 09:25 PM
Joined: Aug 2020
Posts: 11
N
New Guy
Thank you. I was able to find another option. Airtex 429. Where can I get a rebuild kit from?

Re: Fuel pump replacement.
Gramp's59 #1373915 Tue Aug 18 2020 02:00 PM
Joined: Mar 2014
Posts: 1,665
J
Shop Shark
Then & Now Automotive. Here you go...http://www.then-now-auto.com/ Call them or send email.


Jon

1952 1/2 ton with 1959 235
T5 with 3.07 rear end
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