Best Alternatives and Similar Products for Fluidmaster K-400A Toilet Fill Valve & Flapper

Whisper-quiet operation for peaceful bathroom experience.

High performance for fast tank filling.

Universal fit for most toilet brands and models.

Easy installation with step-by-step instructions included.

Adjustable height from 9 to 14 inches.

Customizable water level for efficient flushes.

Durable construction for long-lasting performance.

Price Range: $14.68

Material: Plastic, Rubber

Kohler genuine part for reliable performance.

Compatible with all Kohler Class Five toilets.

Adjustable fill valve for customized water flow.

Protects warranty when using genuine parts.

Check shank color for correct part compatibility.

Easy installation with manual valve operation.

Dimensions: 12.5" x 3.5" x 3".

Price Range: $17.80

Size: ‎1 Inches,‎1.5 Inches,‎12.5" x 3.5" x 3"

Material: Plastic

Replaces ballcocks and worn toilet valves.

Fits 99% of 1-piece and 2-piece toilets.

Easy height adjustment for quick installation.

Installs in under 5 minutes.

Durable chlorazone red rubber construction.

Includes all necessary installation components.

Designed in Wisconsin for quality assurance.

Price Range: $9.98

Size: ‎0.88 Inches,‎0.88 Inches,‎Universal to Fit 99% of Toilets

Material: Plastic, Rubber

Adjustable fill valve for TOTO toilet tanks.

Enhances tank performance and efficiency.

Includes all necessary installation components.

Standard 7/8 inch inlet connection size.

Durable construction for long-lasting use.

Easy to install and adjust.

Color-coded blue for easy identification.

Price Range: $18.80

Material: Stainless Steel, Brass

Quiet filling for a peaceful bathroom experience.

Adjustable with multiple fill-rate inserts included.

Compatible with Kohler Class 5 toilets.

Check shank color for correct part identification.

Easy installation for hassle-free replacement.

Durable construction ensures long-lasting performance.

Cap color may vary; please note this detail.

Price Range: $20.41

Material: Plastic, Metal

Universal fit for 99% of toilets.

Reduces noise during toilet filling.

Adjustable height for easy installation.

Improves flushing performance and water efficiency.

Solves issues with running and slow refill.

Durable design for long-lasting use.

Perfect for newer, high-efficiency toilets.

Price Range: $15.97

Size: ‎No Size

Material: Resin, Plastic, Rubber

Replacement diaphragm for Sloan Regal Flushometers.

Natural rubber diaphragm ensures accurate flushing.

Brass bypass for enhanced performance and durability.

Available in multiple flush rates: 1.6, 3.5, 4.5 GPF.

Designed to reduce water consumption and waste.

Compatible with Sloan Genuine Parts for reliability.

Built to last for optimal restroom performance.

Price Range: $30.14

Size: ‎2 Inches,‎2 Inches,‎3.5 GPF

Material: Brass, Rubber

Compatible with single flush canister toilets.

Includes essential components: cap, center guide, chain.

Ensures optimal performance of KOHLER toilets.

Easy installation with included parts.

Use KOHLER GENUINE PARTS for reliability.

Recommended seal replacement: part number GP1059291.

Durable construction for long-lasting use.

Price Range: $10.25

Size: 3.85 Inches

Color: Black

Material: Plastic

Direct replacement for Glacier Bay toilets.

Compatible with Niagara flapperless toilets.

Easy installation with included instructions.

Increases refill speed for efficient operation.

Restores toilet performance to factory settings.

High-quality replacement for old fill valves.

Effective DIY solution for fill issues.

Price Range: $13.87

Material: Plastic

Genuine replacement for Glacier Bay dual flush toilets.

Easy installation for quick plumbing solutions.

Compatible with 3” dual flush valve systems.

Designed for 2-piece toilets for versatility.

Chrome finish for a sleek, modern look.

Specifically made for tank lid mounting.

Durable construction ensures long-lasting performance.

Price Range: $11.05

Material: Plastic

Fix slow, noisy, leaking, running toilets.

Quiet and fast tank filling process.

Water-saving design reduces your utility bill.

Tool-free installation with quick locking nut.

Adjustable float height for optimal water level.

Universal design fits most American standard toilets.

Backed by 5 years of maintenance support.

Price Range: $18.99

Size: ‎0.5 Inches,‎0.5 Inches

Material: Polybutylene Terephtalate (PBT)

Genuine KOHLER part for reliable performance.

Compatible with specific Kohler toilet models.

Corrosion-resistant material ensures durability.

Easy installation for efficient toilet function.

Exact fit for Kohler tank models listed.

Reduces leaks and improves flush efficiency.

High-quality construction for long-lasting use.

Price Range: $19.09

Size: ‎Small

Material: Brass

Solves toilet flush valve leaks effectively.

Easy installation without professional help required.

Made from durable, high-quality silicone material.

Compatible with American Standard and Eljer toilets.

Restores quiet operation and flush pressure.

Includes installation video for assistance.

Two pieces included for convenience.

Price Range: $7.99

Size: ‎2Pcs

Material: Silicone

Replaces TOTO G-Max and Power Gravity toilets.

Fixes slow refilling and noisy toilet issues.

Quieter operation than standard fill valves.

Adjustable height from 7-3/4" to 13-1/2".

Easy installation with twist-lock adjustment feature.

Includes all necessary installation components.

Made in the USA from durable materials.

Price Range: $18.99

Material: Metal

Universal design fits most toilet models.

Durable for high-use applications.

Includes all necessary installation components.

Reliable performance for consistent water flow.

Easy installation with clear instructions.

Compact dimensions for tight spaces.

Compatible with Fluid Master 400A systems.

Price Range: $31.50

Size: ‎10.00 in wide x 3.00 in tall x 3 in deep