Keep your Kohler toilet performing like new with the Kohler Fill Valve Service Kit, 400A Series. This essential replacement part maintains proper water levels and ensures smooth, efficient refilling after every flush. Built for long-lasting reliability, it helps prevent running water issues and restores your toilet’s optimal performance.

Compatible Models:
Designed to fit many popular Kohler two-piece toilets, including:
Cimarron, Persuade, Tresham, Wellworth, Reach, Windham, Veil, Garwind, and Maxton collections.

Key Features:

• Maintains consistent water levels for efficient flushing performance.
• Durable, corrosion-resistant construction built to last.
• Regulates fresh water flow into the tank for dependable operation.
• Easy to install using standard household tools—no special equipment required.
• Compatibility tip: Check the color of your current fill valve shank.
  • If grey, use this part.
  • If black, use part GP1083167 instead.