Replacement for Kohler GP1152349 15mm Hot Cartridge
Hot side 15mm quarter-turn ceramic disc cartridge for Kohler two-handle centerset bathroom faucets. Installs on the left, with a brass retainer nut.
Replaces these part numbers
| OEM part numbers | Aftermarket equivalents |
|---|---|
| Kohler GP1152349 (hot) | n/a |
Will it fit?
Fits
- The hot side (left handle) of Kohler two-handle centerset bathroom faucets K-45100, K-R1918-4D, R72780-4D, R99910-4D, K-R45780-4D, K-R37024, K-5316 and R99900-4D
Not compatible with
- The cold side, which takes the replacement for Kohler GP1152350 (sold separately)
- Cartridges for Kohler GP1092203 and GP1092204 (widespread style)
- Valves for Kohler GP76671, GP76672, GP77005-RP and GP77006-RP
Is this your part?
Take off the hot handle, unscrew the brass retainer nut and lift the cartridge out. The original part is stamped GP1152349. Match a cartridge 15mm across the body with a splined brass stem, a white ceramic window in a black body and a blue seal at the base. A black cartridge with a two-port base and no brass nut is the widespread style, a different part.
When to replace it
The spout drips with the hot handle shut, water weeps past the handle base, the handle turns stiff, or the faucet is slow to shut off. A new cartridge restores the shutoff without replacing the faucet.
Specifications
| FourHome part | 4H1335821H |
|---|---|
| UPC | 850054895639 |
| Side | Hot, left handle |
| Body diameter | 15mm |
| Overall length | About 2 in. |
| Valve | Quarter-turn ceramic disc |
| Construction | Splined brass stem, threaded brass retainer nut, blue base seal |
| Certification | NSF/ANSI/CAN 372 lead free, IAPMO R&T |
What is in the box
- 1 hot cartridge
- Brass retainer nut
- Handle and trim not included
How to install it
Time: About 20 minutes. Tools: Screwdriver, Adjustable wrench.
- Shut both supply stops under the sink and open the faucet to bleed pressure.
- Remove the hot handle.
- Unscrew the retainer nut and lift the old cartridge out.
- Drop the new cartridge in with the index tab aligned.
- Thread the retainer nut down snug. Do not overtighten.
- Refit the handle, open the stops and test the hot side for a full shutoff.
Questions
Will this fit the cold side?
No. The hot and cold 15mm cartridges are not interchangeable because the ceramic disc clocking is different. The cold side takes the replacement for Kohler GP1152350, sold separately.
Is there a hot and cold pair?
Yes. FourHome sells a matched pair, the replacement for Kohler GP1152349 and GP1152350, to rebuild both sides in one visit.
Is it lead free?
Yes. It is certified by IAPMO R&T to NSF/ANSI/CAN 372, the lead-free standard for faucets that deliver drinking water.
Does it fit widespread faucets?
No. Widespread faucets built after 2012 take the replacement for Kohler GP1092203 and GP1092204, a different cartridge.
Related parts
Repair guides
FourHome is not affiliated with or endorsed by any faucet manufacturer. Brand names and part numbers are used only to identify compatibility.