Keep your toilet performing at its best with the Kohler Adjustable Fill Valve Kit. This genuine replacement part ensures your tank refills quickly and maintains the proper water level after every flush, providing reliable performance and water efficiency. Designed for lasting durability and precision, it’s compatible with a wide range of Kohler toilet collections, making it the perfect solution for both repairs and upgrades.

Compatible Models:
Works with many popular Kohler two-piece toilets, including:
Cimarron, Memoirs, Archer, Wellworth, Highline, Devonshire, Santa Rosa, Gabrielle, Alterna, Tresham, Adair, Iron Works, Reach, Kingston, Irvine, Betello, Gleam, and Artifacts collections.

Key Features:

• Adjustable fill valve maintains the proper water level and refills the tank efficiently after each flush.
• Universal compatibility with most two-piece Kohler toilets for easy replacement.
• Durable plastic construction designed for long-lasting performance and corrosion resistance.
• Simple installation with standard tools—no special equipment required.
• Cap color may vary depending on production batch.
• Compatibility tip: For Kohler Class 5 toilets, check the color of your existing fill valve shank:
  • If black, use this part.
  • If grey, use GP1138930 instead.