Which Fuel Pump?
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Senior User
Joined: May 2012
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From: SoCal
Which Fuel Pump?
Replacing the fuel pump and noticed differences between the new one and the one I pulled off.
![](https://www.ford-trucks.com/forums/<a href="<a href=http://s480.beta.photobucket.com/user/gysgtbigdaddy/media/100_1907_zpsf567d218.jpg.html" target=_blank>http://s480.beta.photobucket.com/user/gysgtbigdaddy/media/100_1907_zpsf567d218.jpg.html"</a> target="_blank"><img src="<a href=http://i480.photobucket.com/albums/rr168/gysgtbigdaddy/100_1907_zpsf567d218.jpg" target=_blank>http://i480.photobucket.com/albums/rr168/gysgtbigdaddy/100_1907_zpsf567d218.jpg"</a> border="0" alt=" photo 100_1907_zpsf567d218.jpg"/></a>)
The old pump has "190M40801" stamped on the housing and the new one has "6523 1612". The parts store said that the new pump is a replacement for the old one. The new pump arm is slightly shorter than the old one. Also, the "hump" one the new pump arm is more pronounced than the old one. The motor is a 312 but I'm unsure of the year. If memory serves me correctly, I was told it probably came from a 1958-or so Mercury car.
Can I use this pump?
The old pump has "190M40801" stamped on the housing and the new one has "6523 1612". The parts store said that the new pump is a replacement for the old one. The new pump arm is slightly shorter than the old one. Also, the "hump" one the new pump arm is more pronounced than the old one. The motor is a 312 but I'm unsure of the year. If memory serves me correctly, I was told it probably came from a 1958-or so Mercury car.
Can I use this pump?
Cargo Master
Joined: Apr 2003
Posts: 2,389
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Going off of memory, the new one looks correct. I can check tonight.
The pumps sometimes come with a card with the applications listed. If FE's (and Y-Blocks) are listed, then it should have the correct arm shape.
The old one looks like it is for a small block and that will barely work, if it works at all, with a Y.
The pumps sometimes come with a card with the applications listed. If FE's (and Y-Blocks) are listed, then it should have the correct arm shape.
The old one looks like it is for a small block and that will barely work, if it works at all, with a Y.
Thread Starter
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Senior User
Joined: May 2012
Posts: 101
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From: SoCal
I'm glad you pointed that out and saved me the embarrassment of trying to put a square peg in a round hole. Thank you
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Cargo Master
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