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-   -   1975 W114 fuel pump (http://www.peachparts.com/shopforum/vintage-mercedes-forum/380556-1975-w114-fuel-pump.html)

rump 09-02-2016 11:26 PM

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

alabbasi 09-02-2016 11:39 PM

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

rump 09-03-2016 11:59 AM

1 Attachment(s)
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...

Frank Reiner 09-03-2016 12:16 PM

r:

Does VA still require emissions equipment checks for 1975 vehicles? If not, remove the air pump, and use the straight fuel pump.

rump 09-03-2016 01:40 PM

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?

msaghier 04-18-2017 03:28 PM

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

97 SL320 04-18-2017 04:11 PM

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.

Frank Reiner 04-18-2017 06:04 PM

Quote:

Originally Posted by Frank Reiner (Post 3633126)
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 (Post 3633142)
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 (Post 3701399)
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.

Coolvibes 04-18-2017 09:59 PM

Will the fuel pump from a M130 (that came with a smog pump) work on the M110?

Number400 06-13-2020 09:25 AM

I know this is an old thread but if you have oil coming from weep hole, remove the pump and fill the lever void with grease.


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