Kohler 85406 2-Inch Toilet Flush Valve Kit | Colors May Vary

Upgrade your Kohler toilet with the 85406 2-Inch Flush Valve Kit

When a toilet flushes inconsistently, the right valve kit can restore a smooth, efficient flush. The Kohler 85406 is a genuine Kohler part designed for Wellworth, Highline, and several other Kohler models, offering a reliable upgrade path without guesswork.

What’s included

• Flush valve assembly
• 2-inch flapper
• Triangle gasket
• Mounting bolts

Each component is sized for a standard 2 inch valve system, with materials chosen for durability and compatibility in everyday household use. The kit references a common replacement path for older valves, including a swap from the prior black valve to a red flapper in some configurations.

Why consider this replacement

• Restore consistent flush strength across multiple uses in a busy bathroom
• Support a quieter, more controlled flush cycle
• Streamline maintenance with a single genuine Kohler part
• Replace a legacy part number 84246 with a modern, compatible assembly

Easy install, broad compatibility

Designed as a straightforward retrofit for Wellworth, Highline, and other Kohler toilets, this kit aims to minimize downtime. The sealed components reduce leaks, and the 2-inch flapper is calibrated to support standard flushing performance.

Real-life use scenarios

• Renovating a family bath where reliable flushes matter for busy mornings
• Replacing aging hardware to prevent frequent refills and partial flushes
• Maintaining consistent performance in toilets that see high usage or seasonal guests

Note Colors may vary slightly between production lots, as indicated by the product listing. This is a genuine Kohler part, designed to fit a variety of models and to help you maintain your toilet’s original efficiency.