I just finished putting my water pump back after a full plastic pipe swap when I noticed I am missing that small plastic ring that
locks the small return water pipe. Anybody know what its called and how I can get it. Thnx so much.

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Probably have to buy another water pump.

If your pump isn't new, then it needs to be changed anyway.

 

I found a replacement in a hardware store. These are standard high pressure pipe lock nipples also used in lab equipment. Just in case somebody else has troubles.

 

Ugh. I wish I had seen this before ordering a new water pump just for that stupid ******* plastic lock.

 

Needing one of these too, What are they for that you can ask at the hardware store?

 

FYI ... they're included with the alternative brass fittings that are available from popular online sites for a few dollars

 

Yes that is a very nice upgrade too! The factory plastic stuff is failure prone.
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From Where?? Maybe offer a link?

 

From Where?? Maybe offer a link?

 

Sorry here's one. Many on EBay and other places too.

Brass Replacement Fitting
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found it!!! Thanks

 

Does anybody know the position of the o ring in the kit? Does it go on the grey fitting where it sits against?/ inside the brass housing or does it slide onto the brass nipple and go flush against the grey fitting? Maybe a pic installed?

 

The o-ring is installed inside the water pump. Use a small pick to remove the old one from the water pump. The o-ring sits in a groove inside the water pump. The (grey) locking fitting should be inserted into the water pump next. Finally, insert the elbow fitting.