Best Toilet Fill Valve Replacement In November 2026

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With the number of alternatives available on the market, getting the right one could sometimes be a difficult task.. That’s why our platform is dedicated to product testing and coming up with this list of top 10 Best Toilet Fill Valve Replacement. Having done thorough research on this topic, we hope that our list will help you find the one you need!

To help you in your search, we have completed this list of the Best Toilet Fill Valve Replacement.

Top Rated Best Toilet Fill Valve Replacement Of 2026

Rank	Product Name	Score
1	Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve Buy Now	9.7 Buy Now
2	Fluidmaster 400CRP14 Universal Toilet Fill Valve and Flapper Repair Kit, for 2-Inch Flush Buy Now	9.5 Buy Now
3	TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for Toilet Tanks, Unfinish Buy Now	9.1 Buy Now
4	Fluidmaster 402CARHRP14 PerforMAX Universal High Performance Toilet Fill Valve and Flapper Repair Kit Buy Now	8.8 Buy Now
5	Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit Buy Now	8.6 Buy Now
6	Fluidmaster 400AKRP10 Universal, All In One, Complete Toilet Tank Repair Kit For 2-Inch Buy Now	8.3 Buy Now
7	Korky 528 Toilet Fill Valve, Universal, BLACK Buy Now	8.1 Buy Now
8	Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit Buy Now	7.8 Buy Now
9	Universal Toilet Fill Valve Kit Easy and Rapid Adjustable Water Line - Toilet Buy Now	7.5 Buy Now
10	NEXT BY DANCO HydroClean Water-Saving Toilet Fill Valve Repair Kit with Cleaning Tube Buy Now	7.2 Buy Now

1. Fluidmaster 400AH PerforMAX Universal High Performance Toilet Fill Valve

• Fix noisy, slow filling valves with the quietest, most powerful toilet fill valve on the market!
• 7 year warranty
• Easy-to-install performax design
• Replaces outdated, inefficient, or noisy fill valve designs
• Height adjusts easily between 10 15
• Performax technology achieves 2x greater refill rate, while saving water usage

2. Fluidmaster 400CRP14 Universal Toilet Fill Valve and Flapper Repair Kit, for 2-Inch Flush

• This product has a 5 year warranty and is the solution to fix a noisy and running toilet
• Ideal product for use in 3.5 gallons per flush toilets or larger
• Features the proven 400a anti-siphon toilet fill valve
• Note: this product is designed to fit toilets with 2 flush valves
• The 501 flapper has microban that prevents breakdown due to bacteria
• High quality and durable toilet fill valve

3. TOTO TSU99A.X Adjustable Replacement Fill Valve Assembly for Toilet Tanks, Unfinish

• Adjustable height for all toto toilet tanks
• Includes valve, refill tube and clamp, cone washer and nut
• Easy, diy installation
• Standard 7/8 inch inlet connection
• Resets your tank back to optimal performance

4. Fluidmaster 402CARHRP14 PerforMAX Universal High Performance Toilet Fill Valve and Flapper Repair

• Performax technology provides optimal performance while saving both water and money
• 7 year
• Fixes common problems like toilets that are running, leaking, noisy, ghost flushing or have a weak flush
• Easy to install, fits 2 inch flush valve toilets
• Chlorine and hard water resistant
• Built in microban fights flapper breakdown due to bacteria on the flapper itself

5. Kohler Genuine Part Gp1138930 Silent Fill Toilet Fill Valve Kit

• Silent fill provides a gracious experience by filling the tank quietly
• Kohler genuine part
• Cap color may vary
• Multiple fill-rate inserts are provided to optimize performance and conserve water.
• Confirm shank color to determine correct part, if grey, use this part and if black, use gp1083167.
• Adjustable to accommodate any height, compatible with various kohler toilets.

6. Fluidmaster 400AKRP10 Universal, All In One, Complete Toilet Tank Repair Kit For 2-Inch

• Everything needed to make your toilet run like new!
• 5-year warranty
• Performax 2 adjustable water-saving toilet flapper included
• Universal design fits most toilet models
• Fits 2 flush valve toilets
• Easy-to-install, simple instructions included

7. Korky 528 Toilet Fill Valve, Universal, BLACK

• Universal fill valve: this toilet fill valve replaces ballcocks & worn down valves for different types of 2-piece & 1-piece toilets. it's easy to install & keeps your toilet running smoothly.
• Why korky: our high quality toilet products are universal & specific to both older & modern toilet models. our repair parts are easy to install & made exclusively from long lasting chlorazone red rubber.
• Replacement toilet parts: try korky toilet repair because we continue to commit to designing toilet repair parts that are unviersal to fit the majority of toilets. designed & manufactured in wisconsin.
• Includes: installs in less than 5 minutes. includes fill valve, refill tube, metal refill tube clip, mounting nut, cone washer, coupling nut, tamper proof key & instructions.
• Easy to install: quiet replacement fill valve has a twist-lock adjustment that makes installation the easiest when you're doing toilet repairs. adjustable from 7.75'' to 13.5.''

8. Fluidmaster 400CAR3P5 PerforMAX Adjustable High Performance Toilet Fill Valve and Flapper Repair Kit

• 7 year warranty
• Fix noisy, running toilets with this 3 flush valve performax kit
• Best use in toilets with 1.28 het & 1.6 gallons per flush
• Solid flapper frame resists bending for a secure seal
• Silicone seal lasts up to 10x longer than standard flappers
• Fits american standard/eljer, glacier bay, kohler, toto and other toilet brands

9. Universal Toilet Fill Valve Kit Easy and Rapid Adjustable Water Line - Toilet

• Maximize toilet performance and save water.
• Toilet tank fill valve replacement, fix cracked, noisy, slow filling valves with the quietest
• Easy-to-install
• Adjustable fill valve universal design fits most toilets brand like kohler, toto, american standard and others
• Toilet fill valve height adjusts easily between 7.8inch - 13inch

10. NEXT BY DANCO HydroClean Water-Saving Toilet Fill Valve Repair Kit with Cleaning Tube

• Installs easily without tools
• Cleaning jets: strong jets stir up debris in toilet tank in order rush any dirt down the drain with every flush keeping your toilet tank cleaner
• Detects leaks
• Detects leaks: the water-saving toilet fill valve sounds an audible alert when a leak is detected making you aware of any potential issues that must be addressed
• Water-saving toilet fill valve with built-in mini-valve that adjusts tank refill water level
• Easy adjustments: shuts off water inside tank making repairs a snap, refills quickly, and has an adjustable height of 11 inches to 13.8 inches