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Best toilet parts - May 2026

Last Updated - May 28, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor

Fluidmaster

$27.12

More Details
Main highlights
- The Everything Kit includes everything you need to fix your toilet in one trip and one purchase
$27.12
2
Best Value
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Kohler
17% Off

KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

Kohler

$20.55

$24.74
(17% Off)

More Details
Main highlights
- Look inside the back wall of the toilet tank to identify tank model number
- KOHLER GENUINE PART
- Complete assembly with tank-to-bowl gasket
- Compatible with KOHLER Cimarron tank model numbers K-4418 and K-4369
- 3" canister with a 2" outlet harnesses the natural force of gravity and optimizes flush performance
$20.55
$24.74 (17% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

Fluidmaster

$14.97

$15.99
(6% Off)

More Details
Main highlights
- Universal fit for most toilet models and brands
- Tank and Bowl water level adjustment dials to customize the perfect flush and save. EZ-Twist height adjusts from 9 in. to 14 in. to fit more tanks
- Fix noisy, or slow filling fill valves with the quietest, most powerful toilet fill valve available
- Easy to install, step-by-step instructions included
$14.97
$15.99 (6% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster 400AKRP10 Universal, All In One, Complete Toilet Tank Repair Kit For 2-Inch Flush Valve Toilets

Fluidmaster

$19.48

More Details
Main highlights
- UNIVERSAL DESIGN: 400A toilet fill valve adjusts easily from 9 – 14 inches, fits most 2-inch flush valve toilets, and is ideal for use in 1.6 to 3.5 gallons per flush toilets or larger
- RESTORES OVERALL TOILET PERFORMANCE: All in one toilet repair kit replaces inefficient fill and flush valves, leaky flappers, and broken toilet handles to make your toilet run like new.
- HIGH PERFORMANCE FLAPPER: PerforMAX high performance 2-inch adjustable water-saving toilet flapper maximizes water usage with each flush
- EASY INSTALLATION: Easily installs in 10 minutes or less to get your toilet flushing like new again
$19.48
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Fluidmaster

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

Fluidmaster

$16.97

More Details
Main highlights
- The PerforMAX fill valve and 2 in. Flapper Kit is the premium solution to make your 2 in. flush valve toilet run like new
- PerforMAX toilet fill valve offers high performance with adjustable tank and bowl water for full water control
- PerforMAX Water-Saving Toilet Flapper included to save water use per flush
- Fast and Easy to Install
- Adjustable fill valve height to fit more tanks, corrosion resistant flapper, Solid frame for a secure seal, 7 year warranty
$16.97

Best toilet parts - May 2026

Fluidmaster K-400H-021-P8 PerforMAX 2-Inch Everything Toilet Repair Kit, Multicolor

KOHLER GENUINE PART 1188998 2" Toilet Canister Flush Valve Kit

Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

Fluidmaster 400AKRP10 Universal, All In One, Complete Toilet Tank Repair Kit For 2-Inch Flush Valve Toilets

Fluidmaster K-400H-039 High Performance Toilet Fill Valve with 2-Inch Adjustable Toilet Flapper Kit

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