Grohe 46138000 1/2 in. Quick Coupling, one-size

Got here quickly and was easy to install

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I was doing the dishes the other night using our 8-year-old Ladyluxe faucet when I noticed my foot was wet. I looked down to find a small torrent of water pouring out from under the cabinet door. I thought the drain had come loose or the disposal was leaking. But, it was this plastic part at the base of the faucet. The threaded, black side split and a thin stream of water was shooting all over the cabinet interior. The part was easy to unscrew and identify as Grohe part 46 315 but I found this part, Grohe 46 138 that looked the same and was eligible for Amazon Prime. I took a chance and ordered the part and installed it without a hitch. It seems that 46 315 and 46 138 are equivalent replacements for each other. I did notice a little difference internally; the shape of the internal screen is a cone shape where the newer 48 138 is flat. This might just be an update to all their parts, though. In the end, the 48 138 fit and works. On the subject of the actual Grohe part, I seems this part is a common failure point in this design. It didnt take long to find talk on discussion boards about this part failing after 5 years. Im going to buy a spare and leave it in the cabinet so I dont go through this in another 5-8 years. I doubt Id buy another Grohe faucet after this experience, though.

Very easy to install and solved my problem.

Local home depot didnt have it in stock. Fortunately Amazon to the rescure. 2 days later it arrives, inscrew the old one, screw in the new one and snap in, done. Good as new. These are color coded bu size so make sure you get one with the same color to replace your old one.

The grohe quick coupling fit was correct. I had used my original coupling twice but decided to purchase a new one. Im glad that I did. One word of caution: make sure when connecting back to your faucet, check for clearance between the three tubes. The coupling should snap on without much effort.

not like back in the day, easy peazie lemon squeezee. i thought it was going to be a nightmare, i did not know anything about the sink in the new house. when this happened can of worms piped into my head. nope , put on the new hose i ordered for the faucet , click done.

Easy fix

it was exactly what we needed.

hand installation, no tools needed