






Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.
🔧 Upgrade your flush game with silent precision and smart water savings!
The KOHLER Silent Fill Toilet Valve Kit (GP1138930) is a genuine OEM replacement part engineered for Kohler Class 5 toilets. Featuring silent fill technology and multiple adjustable fill-rate inserts, it ensures quiet operation and optimized water efficiency. Made from durable metal and plastic, this valve kit includes all necessary components for easy installation and long-term performance, backed by Kohler’s trusted warranty.










| ASIN | B003MH314U |
| Best Sellers Rank | #5,003 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #4 in Toilet Flush Valves |
| Brand | Kohler |
| Brand Name | Kohler |
| Customer Reviews | 4.6 out of 5 stars 5,102 Reviews |
| Exterior Finish | White |
| Global Trade Identification Number | 00650531935076 |
| Included Components | valve, inserts, fill hose, and assembly hardware |
| Inlet Connection Size | 0.88 Inches |
| Inlet Connection Type | Fill |
| Item Dimensions | 13 x 3.5 x 3 inches |
| Item Type Name | KOHLER GENUINE PART |
| Item Weight | 1 Grams |
| Item dimensions L x W x H | 13 x 3.5 x 3 inches |
| Manufacturer | KOHLER |
| Manufacturer Part Number | GP1138930 |
| Material | Metal, Plastic |
| Material Type | Metal, Plastic |
| Model Number | GP1138930 |
| Number of Ports | 2 |
| Outlet Connection Size | 0.88 Inches |
| Outlet Connection Type | Fill |
| Set Name | Silent Fill Toilet Fill Valve Kit (Includes Multiple Fill-Rate Inserts) |
| Size | 12.5" x 3.5" x 3" |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | oem |
| Thread Size | 0.875 inches |
| Thread Type | NPT |
| UPC | 650531935076 |
| Unit Count | 1.0 Count |
| Valve Type | Float Cup |
Trustpilot
1 month ago
1 week ago