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  #1  
Old 09-03-2016, 12:26 AM
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Join Date: Jul 2016
Location: Quinton, VA
Posts: 6
1975 W114 fuel pump

Hello all,

I'm new to Mercedes and the forum, so please be gentle! Lol...

I recently bought a 1975 280 W114.060 with 110.921 engine that is now getting some much-deserved TLC. I've found that there is oil coming out of the weep hole on the mechanical fuel pump. This car has a smog pump and I've learned that this requires a lever-type fuel pump to fit. A replacement pump seems to be a dealer-only item (at around $370). It's a Pierburg E3000-12084/APG.

Does anyone have a less-expensive source for these? I can find tons of the "piston-type" pumps, but these won't work here. I've been entertaining installing an electrical pump, but I'd rather keep things stock. Anyone else had to deal with this?

Thanks!
- Greg
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  #2  
Old 09-03-2016, 12:39 AM
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Join Date: Nov 2004
Location: Dallas, TX
Posts: 4,947
Greg, have you checked the link on top of this page??



Mercedes Parts and Accessories - OEM Mercedes-Benz Parts - Performance Mercedes Parts at PelicanParts.com
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With best regards

Al

Check out the W114, W115 enthusiast website.
http://www.stroke8.org

http://www.w108.org

Join the Mercedes W108 group
http://autos.groups.yahoo.com/group/mercedesw108/

My 280SL restoration

http://www.w108.org/gallery/albums/a...0959.thumb.jpg
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  #3  
Old 09-03-2016, 12:59 PM
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Join Date: Jul 2016
Location: Quinton, VA
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Al,

Absolutely! I've checked with a number of parts suppliers and they all seem to only sell the piston-actuated type of pump. I need the lever-type.

Here is what mine looks like...
Attached Thumbnails
1975 W114 fuel pump-2016-09-03-12.10.29.jpg  
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  #4  
Old 09-03-2016, 01:16 PM
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Join Date: Feb 2011
Location: Modesto CA
Posts: 2,207
r:

Does VA still require emissions equipment checks for 1975 vehicles? If not, remove the air pump, and use the straight fuel pump.
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  #5  
Old 09-03-2016, 02:40 PM
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Join Date: Jul 2016
Location: Quinton, VA
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No, they don't, but I'm one of those guys who likes to make everything work - stock. Besides, I've heard that because mine is a lever pump and the other one is piston, that I can't just use the other one? I'm guessing that there's supposed to be something in between the pump and the block to convert the lever action to piston?
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  #6  
Old 04-18-2017, 04:28 PM
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Join Date: Apr 2017
Posts: 1
W114 280C

Hi Greg
I have exactly the same problem , I can not locate where to buy the fuel pump with a lever
original pump is pierburg E20064 4319

could you pls advise where you could by the original pump

many Thanks
MS
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  #7  
Old 04-18-2017, 05:11 PM
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Join Date: Jan 2012
Posts: 5,363
I'd block off the mounting at the engine and move towards a low pressure ( 2 - 3 ish PSI ) electric pump.

Carter , Facet , Airtex make solenoid pumps, just be sure to use a 2 terminal oil pressure switch so the pump stops if the engine stalls. The solenoid pumps do make a noise when pumping so attach it with soft mounts. I think you can get a low pressure motor pump these days.
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  #8  
Old 04-18-2017, 07:04 PM
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Location: Modesto CA
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Quote:
Originally Posted by Frank Reiner View Post
r:
Does VA still require emissions equipment checks for 1975 vehicles? If not, remove the air pump, and use the straight fuel pump.
Quote:
Originally Posted by rump View Post
No, they don't, but I'm one of those guys who likes to make everything work - stock. Besides, I've heard that because mine is a lever pump and the other one is piston, that I can't just use the other one? I'm guessing that there's supposed to be something in between the pump and the block to convert the lever action to piston?
Quote:
Originally Posted by msaghier View Post
Hi Greg
I have exactly the same problem , I can not locate where to buy the fuel pump with a lever
original pump is pierburg E20064 4319
could you pls advise where you could by the original pump
many Thanks
MS
MS:
Please see the above quotes; although a conversion to an electric pump will indeed provide a source of fuel, it will also, as noted, present a noise problem.
The easiest, and very likely the lowest cost, solution is to delete the air pump that is in the way of the original style, straight/piston pump, and then use the readily available straight pump. The straight pump was used in 1973-4. and can be used once the air pump is removed, contrary to rump's misinformation.
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  #9  
Old 04-18-2017, 10:59 PM
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Join Date: Apr 2013
Location: Miami, FL
Posts: 74
Will the fuel pump from a M130 (that came with a smog pump) work on the M110?
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