120V Ulka EP5 Vibratory Pump

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Ulka Type EP5. 120 V/60 Hz, 41 W.

This Ulka brand vibratory pump is used in many various home espresso machines (current model Rancilio Silvia) and in some rare cases, commercial machines.

Rancilio part number 34011023.

1/8" BSP F x 7mm Barb fittingsOverall length: 122mm (4-13/16")

Mounting foot distance at center: 91mm (3-9/16")

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We guarantee a full refund or replacement of all defective products at no additional cost to you. Most electrical items have specified limited warranties. If an electrical device fails to function due to manufacturers defect, Espresso Parts will repair or replace the device (TBD).*Important Note: All Special Order Items, Equipment, Electrical Items (scales), Pump Heads, Solenoids, Custom Work and Books are NOT eligible for return. All sales are final on this merchandise. Learn more on our return policy page
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More Information
SKU V_2355
Manufacturer CEME

4.75 Average

4 Reviews

Michael Voss

Very easy to replace. Good available YouTube videos on how to replace. Works perfectly. Very fast delivery. Had the pump in 4 days from the date I ordered.

James Greene

Accurate description. Said it was for a rancillio Silvia, worked in a rancillio Silvia.


I have a 4 year Old Rancilio Silva machine that stopped pumping water. I looked up the problem online and sounded like I needed to replace the pump. I ordered it here and from online guides was able to replace the pump myself!! Works great now and I only had to pay for the price of the pump!! I am not mechanical, so this made me pretty happy. Please note, it does not come with instructions on how to replace the pump in your machine. Also, I did need to add some tape to the threading when it was replaced because I had some water leakage after replacing part. Good luck!!


Espresso Parts is a fantastic resource for espresso enthusiasts. Machines are expensive; repair is the way to go! I had a no hassle experience. I ordered the wrong part (because I don't know what I am doing). Realizing this error, I returned the party with no problem. Then they set out the vibratory pump. It was an easy install (use plumbers tape on the connection to the hose that feeds the boiler). thanks Espresso Parts!!!!!! Ken