Best Toilet Replacement Parts Under $50 (2026)
We selected parts under $50 with documented compatibility for common flush systems, solid consumer ratings, and practical utility for repairs and maintenance
Top Picks
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1
Sloan A-1001-A Diaphragm Rebuild Kit for Regal Flushometers
Diaphragm rebuild kit for Sloan Regal flushometers with 4.5 GPF. Includes parts for a successful install and optimized water usage. Customers note easy installation and good value, with some reports of leakage concerns
- complete parts kit
- water-saving design
- easy installation
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2
Replacement flush valve cartridge kit for Flushmate 503H
Replacement flush valve cartridge kit designed for Flushmate systems, delivering regulated water flow for consistent performance. Includes duckbill valve, filter screen & lower supply filter for easy maintenance. Customers note ease of installation and clear instructions
- regulated GPF for consistent flush
- includes complete valve cartridge kit
- corrosion-resistant construction
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3
Sloan Urinal Diaphragm Assembly 1.0 GPF (A-1042-A) for Royal Flushometers
Sloan urinal diaphragm assembly with PERMEX synthetic rubber and dual-filtered bypass ensures consistent flush. Replacement for Royal Flushometers; helps limit water usage and maintain proper flushing
- PERMEX diaphragm
- dual-filtered bypass
- designed for Royal Flushometers
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4
Sloan Royal Urinal Diaphragm Tune-Up Kit 1.5 GPF
Sloan Royal urinal diaphragm tune-up repair kit for 1.5 GPF flushometers. Improves efficiency and water usage; users note a good fit and value for money
- complete diaphragm assembly kit
- water-usage reduction design
- compatibility with Sloan Royal 1.5 GPF
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5
Kohler GP1059291 Toilet Tank Canister Valve Seal 6-pk
Kohler genuine part GP1059291 seal set for toilet tank canisters. Yellow seal resists wear from chemicals and use. customers note easy installation
- genuine Kohler part
- yellow seal for leak resistance
- 6-pack value
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6
Sloan Royal Water Closet Diaphragm Assembly (1.28 GPF) for Royal Flushometers
Replacement diaphragm assembly for Sloan Royal flushometers with PERMEX rubber and dual-filtered bypass. Designed to ensure consistent flush amounts and reduce water waste. Customer note: high-quality fit and good value
- PERMEX diaphragm material
- dual-filtered bypass
- designed for consistent flush
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7
Sloan Royal Diaphragm Assembly 3.5 GPF for Royal Flushometers
Diaphragm assembly kit with PERMEX synthetic rubber and dual-filtered bypass for Royal Flushometers. Designed to replace worn diaphragms and optimize flush accuracy. Customer notes good quality, perfect fit, and value
- PERMEX diaphragm material
- Dual-filtered bypass
- Royal Flushometer compatibility
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8
Sloan A-1050-A High Efficiency Urinal Diaphragm Assembly
The Sloan A-1050-A urinal diaphragm assembly replaces worn units and features a Dual-Filtered Fixed Bypass for controlled flushes. It is designed as a replacement part for Royal Flushometers; ensures consistent flushing and improved water efficiency
- dual-filtered fixed bypass
- OEM replacement part
- designed for consistent flushes
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9
Washlet deodorizer carbon filter for Toto THU6474-01/THU6072
deodorizer cartridge with activated carbon filter for Toto washlets; helps reduce odors and keep bathroom smelling fresh. customers note good fit and odor control, with mixed views on lifespan
- activated carbon deodorizing filter
- compatible with multiple Toto washlets
- 3-6 month replacement guideline