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5.7EFI Fuel pumps

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5.7EFI Fuel pumps

Postby Northman » Tue Apr 25, 2017 12:39 pm

It is supper crappy not having a manual for my engine. I'm stocking up on parts and pieces for spare. Anyone have an idea what make or model this fuel pump is? To completely remove and take downtown is a hassle!! Two posts as the files are two big to attach.
Attachments
IMG_1859.JPG
Low Pressure?
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Re: 5.7EFI Fuel pumps

Postby Stormtrooper » Tue Apr 25, 2017 2:12 pm

Yes.
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Re: 5.7EFI Fuel pumps

Postby Kirt » Tue Apr 25, 2017 6:50 pm

Looks like the first pump of a fuel injected engine maybe carter, has filter inside. Looks upside down from mine. Seems to me I have seen these on ebay
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Re: 5.7EFI Fuel pumps

Postby BrettWad » Wed Apr 26, 2017 12:43 am

I'd say it's a Carter like mine, mine has 2 wires on the bottom, black and red. My neighbor gave one he didn't use off his 60s Nova. I'll try to remember to grab it and take a pic next time I'm in my boat.
21' Custom Weld Storm, MP 350 w/212
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Re: 5.7EFI Fuel pumps

Postby Northman » Wed Apr 26, 2017 2:23 pm

Correct and correct. Just after fuel filter. Off a Nova you say? 100$ pump? I have a picture of The high pressure pump that feeds the EFI, but the file is to big to post!!
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Re: 5.7EFI Fuel pumps

Postby Northman » Wed Apr 26, 2017 2:26 pm

This what the high pressure pump looks like. Can't find a model number on mine though.
Attachments
IMG_1871.PNG
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Re: 5.7EFI Fuel pumps

Postby BrettWad » Wed Apr 26, 2017 6:47 pm

I have a digital manual for my mp 5.7l with throttle body efi. Mines in a 2000 CW storm. It also has other motors and covers a range of years. I'll see if I can post a Google drive link to it for ya.

https://drive.google.com/file/d/0B75w7R ... p=drivesdk
21' Custom Weld Storm, MP 350 w/212
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Re: 5.7EFI Fuel pumps

Postby BrettWad » Wed Apr 26, 2017 6:49 pm

I was going to snap a few pics of the Carter pump on my boat and the box the new one is in and my efi pump until this down pour and hail started. I'm not quite that nice of a guy lol.

And other than my efi pump being painted silver that looks like mine also
21' Custom Weld Storm, MP 350 w/212
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Re: 5.7EFI Fuel pumps

Postby AndreD » Mon Jun 19, 2017 1:12 am

Im having an issue with my electric fuel pump as well on my MP 350 Vortec carb and want to replace it. I can only find these numbers stamped on the pump "45941D03B". I cant find any reference to these numbers. It seems that there could be two pumps that it could be a Carter P4389 and a Carter P4594. I cant tell really whats the difference, both seem to be marine fuel pumps with slight differences in psi but withing the MP specs. From what I can tell one has a 50gph (P4389) and the P4594 has a 72 gph flow rate. Anyone know which pump would my motor would have came with?
2002 Custom Weld Cobra SE MP350/SD312
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Re: 5.7EFI Fuel pumps

Postby Riverjohn » Mon Jun 19, 2017 9:34 am

Northman wrote:It is supper crappy not having a manual for my engine. I'm stocking up on parts and pieces for spare. Anyone have an idea what make or model this fuel pump is? To completely remove and take downtown is a hassle!! Two posts as the files are two big to attach.
Below are some links. I was about to replace this pump thinking it was causing my engine shut down at high rpm. Kodiak told me it was more likely that the screen was plugged and that these pumps are very hardy pumps. Took it apart and found the screen and cavity completely filled with shavings and other crap. It is just a simple vane pump. took everything out blew it all out and reassembled. Problem gone. I would carry the high pressure fuel pump as a spare before this one.
http://marinepowerusa.com/wp-content/th ... Manual.pdf Page. 20

http://marinepowerusa.com/service-and-parts-information
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