parts for the Fluidmaster 5403P4 watersaving long life toilet flapper (3 inch) — restore reliable flush performance and preserve the flapper's watersaving function. Key benefits Fixes common flapper problems: replaces worn or damaged components that cause running toilets, slow refills, or weak seals. Restores watersaving performance: returns the 5403P4 flapper to proper sealing and flush control so your toilet uses the intended volume per flush. Extends service life and reduces cost: repairing the flapper is faster and less expensive than replacing the entire flush assembly. Straightforward maintenance: parts are intended to match the 5403P4 design so you can only what's worn and get the flapper working like . Product highlights and attributes Compatibility: specifically for Fluidmaster 5403P4 WaterSaving Long Life Toilet Flapper (3 inch). Size: designed for 3inch flush valve applications. Functionality: replacement components restore the flapper's sealing, lift, and release functions so the flush completes reliably and the tank refills correctly. Performance: supports the longlife, watersaving operation associated with the 5403P4 flapper to help maintain efficient toilet performance. Fit: intended to integrate with existing 5403P4 assemblies to address leaks and wear without replacing the entire flapper unit. Typical use cases a toilet that runs continuously or intermittently because the flapper seal has hardened or warped. worn flapper parts during routine maintenance to preserve the watersaving behavior of a 3inch Fluidmaster 5403P4 installation. Restore a toilet after mineral buildup or age has reduced sealing effectiveness so you regain reliable flush performance and reduce water waste. Why choose parts for the 5403P4 Targeted solution: only the parts that have failed rather than discarding the full flapper assembly. Keeps original model performance: intended for the Fluidmaster 5403P4 3inch longlife, watersaving design so you maintain the same flush characteristics. Practical maintenance step: a costeffective way to fix leaks, stop phantom flushing, and keep your toilet operating efficiently. Compatibility reminder Designed for use with Fluidmaster 5403P4 3inch watersaving long life toilet flappers and 3inch flush valve toilets; confirm model compatibility before .