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Customer Questions and Answers for Drain Pump by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM11989995
Manufacturer Part Number: 00642239

The Drain Pump is an OEM replacement part for Bosch dishwashers. It is responsible for pumping out dirty water from the dishwasher tub at the end of each cycle. The drain pump works to thoroughly empty the tub in a timely manner to facilitate a smooth transition to the next cycle.  

Causes of a bad drain pump can include a clogged impeller or blockage of debris inside the pump housing that inhibits proper water flow. 

Symptoms of a bad drain pump include:

  • Incomplete draining of water at the end of cycles 
  • Water remaining or pooling at the bottom of the tub
  • Loud grinding or clicking noises emanating from the pump area
  • Cycles failing to advance or resume properly

This OEM Bosch part is also compatible with Thermador, Gaggenau, and some Kenmore dishwashers.

Note: Due to a factory design change, connector part# 00623143 may also be needed.

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Questions & Answers

For Bosch Drain Pump (Part Number: OEM11989995)

Sandra for Model Number SHU9915UC/U11

My question is similar to Douglas' about how to properly attach the wires from the dishwasher to the connector that is now needed to install drain pump #642239. I cannot make sense out of the response given to Douglas because there was no "original" connector. The bottom line is I just have 2 clips that need to be attached to the new connector and I need to know which clip goes on the top and which goes on the bottom when i finally attach the connector to the pump that now has 2 posts situated vertically instead of 4 posts horizontally. my choices are 1 clip has 2 combined wires and the other clip has just one wire. By the way, it would have been good to know that another $0.74 part, the connector, was needed for this project to be a success. This would have saved down time and additional shipping cost. Just a suggestion to post something about this along with the drain pump part description.

1 Answer

Hello Sandra, The pump is not polarized so the two connectors can connect to either of the two terminals. Just plug them in and the unit will operate normally either way.

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Sseibt for Model Number SHU9915UC/U11

Greetings, I am trying to replace the drain pump on my bosch dishwasher. The problem is the old pump has 4 metal prongs that run horizontally with 2 clips attached at positions 2 & 3. Position 2 has a clip with 2 attached wires and position 3 has a clip with just one attached wire. The replacement part has only 2 prongs that are positioned vertically and it looks like it accepts some type of wiring harness. I talked to Nancy in live chat and she said a connector was required and directed me to the part. It's a bummer that I did not learn about this necessary item when I placed my original order for the pump. She was unable to instruct me about how to position the 2 clips in the connector. Should the clip with the 2 wires be placed in the top position and the clip with one wire on the bottom or vise versa, or does it matter? I just don't want to put everything back together and have to take it apart again to make changes.

1 Answer

Hello Sseibt, The motor is not polarized so the wires can connect to either of the two connectors. The pump will not no the difference and will operate normally either way.

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1 Answer

Hello Drew, for your model number the manufacturer recommends you use part number 00642239. They usually offer the one that will work with the unit the best. Thanks!

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Douglas S. for Model Number GM915-710 SHUGGE1UC/U12

Ok. I had the drain pump with the 6 blue impeller blades. I ordered AP3996662 along with the recommended connector / Adapter AP5323611 - which is essentially a connector housing that isolates and combines the two connectors so that they don't short out. Does it matter which wire goes on which terminal? One has 2 wires attached to the spade lug, the other has one. The old pump had 4 connections, and although I did take a digital picture - it would not be possible to map the connections because the connectors changed on the pump.

1 Answer

Hello Douglas, Since the pump is an ac motor with only one winding, it is not polarized and it will run just fine being wired either way. You can reverse the wires and since alternating current is applied, it will run the exact same way.

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1 Answer

Hello Wayne. Check and see if the bottom of the unit has water in it where you replaced the pump. If so, it will need to be completely dry, or the float will raise up and turn the drain pump 00642239 on to prevent flooding.

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1 Answer

Hi Bob. Check the drain pump to see if the impeller is not either damaged or is spinning loose on the shaft. Drain pump part # 00642239. Thank You.

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