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🔧 Upgrade your shower game with precision and durability!
The KOHLER Rite-Temp Pressure Balance Cartridge (GP800881) is a genuine, one-piece replacement part designed for Kohler K-8304 valves. Featuring integrated double seals and premium metal construction, it offers easy installation, leak resistance, and durability in aggressive water conditions, ensuring smooth, reliable water pressure balance and protecting your product warranty.










| ASIN | B06XGLZTF7 |
| Best Sellers Rank | #9,089 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #7 in Faucet Cartridges |
| Brand | Kohler |
| Brand Name | Kohler |
| Connector Type | FIP |
| Customer Reviews | 4.4 out of 5 stars 658 Reviews |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00885612425065 |
| Included Components | Cartridge |
| Inlet Connection Size | 4.75 inches |
| Inlet Connection Type | FIP |
| Item Dimensions | 7.25 x 4.75 x 3 inches |
| Item Type Name | KOHLER Replacement Part |
| Item Weight | 9.07 g |
| Item dimensions L x W x H | 7.25 x 4.75 x 3 inches |
| Manufacturer | Kohler |
| Manufacturer Part Number | GP800881 |
| Manufacturer Warranty Description | Warranty |
| Material | Metal |
| Material Type | Metal |
| Model Number | GP800881 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 4.75 inches |
| Outlet Connection Type | FIP |
| Set Name | K-8304 |
| Size | No Size |
| Thread Size | 4.75 inches |
| Thread Type | NPT |
| UPC | 885612425065 |
| Unit Count | 1 Count |
| Valve Type | Pressure Balance Valve |
E**R
Perfect replacement, one-piece design, easy installation
The conical design with secure "O" rings allows for easy installation of this Kohler pressure balance cartridge with an exact fit. Be sure the clean the valve housing to ensure proper seating and prevent leaks. The mixer valve works smoothly and is compatible with a wide range of handle and trim options. Durability TBD but the original unit lasted about six years before the drips became a stream with a high-pitch whistle when water pressure varied in the house. The entire replacement process took about 30 minutes as a DIY home project.
A**.
No Leaks and easy to install
Perfect replacement
T**G
Easy to Install & Very Happy with Purchase
I got this to fix a drip in my tub faucet. This was the exact part I needed and I got a OEM Kohler Part. Great deal and this was pretty hard to find so I am glad I was able to get it on Amazon. It is nice because the GP800881 model has all the gaskets built into it. All I had to do to install it was turn off the water, remove the old one, dry up all the water left behind, and install the new one. You do have to make sure it's clocked right so that it will correctly regulate the water temperature. What I did was take a picture of the old one before I took it out so I could install the new one the exact same way. Worked great and the leak was gone once installed. Super easy to install!
R**Y
Necessary replacement for an average Kohler product
Easy to change out (once I saw the plumber do it). Unfortunately, this model by Kohler was not their better product. More importantly this item doesn't last but 4 or 5 years.
K**N
Easy installation
I bought this shower cartridge for my Kohler setup, and it worked perfectly. The fit was right, the installation was straightforward, and it solved the issue without any extra hassle. It’s a single-piece design, which made the whole process much easier than I expected. If you have the same compatible Kohler model, this is a simple and reliable replacement that gets the job done.
S**R
If you need it you need it, but it is garbage…
Unfortunately this product does not hold up. I should not be replacing it in 2 years. But, there is no alternative and it is expensive for what it is. The plumber said he keeps these on the truck because they don’t hold up. Probably should have avoided Kohler products. The two pieces you need to turn in the handle to close off the water to do the repair are plastic and snap so they are useless. I’d give this a 0 if it was available.
K**N
Easy Install, Just Hope It Lasts
This genuine KOHLER Rite-Temp cartridge (GP800881) was a breeze to install. The one-piece design really does simplify the process, making it a quick DIY job. It works perfectly and my shower head no longer drips water. My only complaint is that my previous official Kohler cartridge only lasted about three years, which seems a bit short for a premium part given the price point. I'm hoping this one has better longevity because the installation and performance are excellent.
P**S
Super easy installation.
I had a dripping shower head in my master bathroom. I wasn't able to see the Kohler name on the plate, and couldn't find any set screws to remove it from the wall. I ended up calling a plumber, assuming that I just needed to try to unscrew it from the wall and change a cartridge, but not wanting to break anything or have a water leak in the wall. The plumber said, I think it's a Kohler, and if that is the case, you don't want us to change it for you. The reason being....they charge $516 to change this particular cartridge. He said, you can easily change this on your own, you simply remove the 4 screws, pull it out, put the new one in, and tighten the screws. I ordered the part from Amazon for $47 and changed it myself in about 8 minutes. This replacement couldn't have been easier.
V**K
Kohler products are excellent
fits perfectly, easy to install. do it yourself.
A**R
Great service replacement.
Easy to install. Works great.
K**H
High-Quality Replacement for Reliable Water Control – Kohler GP800881 Pressure Balance Cartridge"
"I recently had to replace the pressure balance cartridge in my Kohler shower valve, and after doing some research, I decided to go with the Kohler Genuine Part GP800881. As I’ve had great experiences with Kohler products in the past, I trusted this replacement part to restore my shower to its optimal performance." Overall, I’m very satisfied with the Kohler GP800881 Pressure Balance Cartridge. It has restored my shower’s functionality and provided the consistent water temperature and pressure I was looking for. If you have a Kohler shower system and need a reliable replacement part, I highly recommend this cartridge. It’s a great investment in both quality and long-term performance."
A**R
Shower single motion valve
Valve fit perfect. Took 5 min to change. Works great.
A**R
Perfect
Perfect , as expected
Trustpilot
3 days ago
2 days ago