20 Best American Standard 4021n Flapper [2024]

Are you looking for the best American Standard 4021n Flapper? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling American Standard 4021n Flapper.

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1 Fluidmaster 5403 Water-Saving Long Life Toilet Flapper for 3-Inch Flush Valves, Adjustable Solid... Fluidmaster 5403 Water-Saving Long Life Toilet Flapper for 3-Inch Flush Valves, Adjustable Solid...
2 American Standard 7381.008#400.0070A Flapper Assembly American Standard 7381.008#400.0070A Flapper Assembly
3 American Standard 7301021-0070A Tank to Bowl Coupling Kit AND American Standard 738921-100.0070A... American Standard 7301021-0070A Tank to Bowl Coupling Kit AND American Standard 738921-100.0070A...
4 American Standard 6065121.002 Selectronic Touchless Toilet Flush Valve, Chrome American Standard 6065121.002 Selectronic Touchless Toilet Flush Valve, Chrome
5 American Standard 7381125-400.0070A Fluid Master 400A Universal Toilet Water Fill Valve, 10.00 Inch... American Standard 7381125-400.0070A Fluid Master 400A Universal Toilet Water Fill Valve, 10.00...
6 American Standard Cadet 3 1.28 gpf 10-Inch Rough Toilet Tank Only, White White American Standard Cadet 3 1.28 gpf 10-Inch Rough Toilet Tank Only, White White
7 2 Pack Toilet Flapper Replacement Compatible with American Standard 738920-0070A 3-Inch Flapper... 2 Pack Toilet Flapper Replacement Compatible with American Standard 738920-0070A 3-Inch Flapper...
8 American Standard 4021001N.020 Cadet 3 1.6 GPF 12-Inch Rough Toilet Tank Only, White American Standard 4021001N.020 Cadet 3 1.6 GPF 12-Inch Rough Toilet Tank Only, White
9 American Standard 7381657-200.0070A Vormax Flapper Assembly American Standard 7381657-200.0070A Vormax Flapper Assembly
10 American Standard 7301021-0070A Tank to Bowl Coupling Kit, Multicolor American Standard 7301021-0070A Tank to Bowl Coupling Kit, Multicolor
11 American Standard 735121-400.020 Cadet 3 Toilet Tank Lid, 1 Pack, White American Standard 735121-400.020 Cadet 3 Toilet Tank Lid, 1 Pack, White
12 American Standard 4142.016.020 Yorkville Flushometer Toilet Tank Complete with Coupling Components,... American Standard 4142.016.020 Yorkville Flushometer Toilet Tank Complete with Coupling...
13 American Standard 738920-0070A 3-Inch Flapper Assembly, White American Standard 738920-0070A 3-Inch Flapper Assembly, White
14 2 Pack Large 3-Inch Toilet Flapper Replacement Compatible with TOTO flapper Model G-Max, THU138S,... 2 Pack Large 3-Inch Toilet Flapper Replacement Compatible with TOTO flapper Model G-Max, THU138S,...
15 American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished
16 American Standard 7389030020A Left Hand Plastic Trip Lever, For Cadet 3 Toilet Tanks, Polished... American Standard 7389030020A Left Hand Plastic Trip Lever, For Cadet 3 Toilet Tanks, Polished...
17 American Standard 7381683-401.0070A Activate Actuator with Battery Compartment and Batteries American Standard 7381683-401.0070A Activate Actuator with Battery Compartment and Batteries
18 American Standard 7381026-400.0070A, Black American Standard 7381026-400.0070A, Black
19 American Standard 7301111-0070A Flush Valve Seal Kit , Clear American Standard 7301111-0070A Flush Valve Seal Kit , Clear
20 American Standard 4142.801.020 Yorkville 1.1 Gpf Pressure Assist Tank with Right Hand Trip Lever,... American Standard 4142.801.020 Yorkville 1.1 Gpf Pressure Assist Tank with Right Hand Trip Lever,...
SaleBestseller No. 1
Fluidmaster 5403 Water-Saving Long Life Toilet Flapper for 3-Inch Flush Valves, Adjustable Solid...
  • Size: 3 Inch.LONG-LASTING DURABILITY: Toilet flapper with solid frame and kink-free chain replaces leaky, corroded flappers, preventing twisting,...
  • UNIVERSAL DESIGN: Adjustable flapper fits most 3-inch flush valve toilets and is ideal for use in high efficiency 1.28 to 1.6 gallons per flush...
  • ADJUSTABLE TO SAVE WATER: Dial flapper adjusts for maximum flush efficiency and to save water
  • SILICONE SEAL: Durable silicone seal lasts 10X longer than regular flappers and resists chlorine and hard water
  • Solid frame for the best seal- no twisting.
SaleBestseller No. 2
American Standard 7381.008#400.0070A Flapper Assembly
  • Replacement part
  • Flapper assembly
  • For the American Standard evolution 2 toilets
  • Plastic construction
SaleBestseller No. 3
American Standard 7301021-0070A Tank to Bowl Coupling Kit AND American Standard 738921-100.0070A...
  • Replacement part
  • Tank to bowl coupling kit
  • 3-Inch flush valve assembly
  • For use with the American Standard Cadet 3 elongated and round front, 12" rough toilets
Bestseller No. 4
American Standard 6065121.002 Selectronic Touchless Toilet Flush Valve, Chrome
  • BEST-IN-CLASS: The Selectronic toilet flush valve by American Standard has a self-cleaning piston design that eliminates routine maintenance and...
  • FEATURES: Toilet flush valve has an integral wiper spring cleans the refill orifice with every flush; American Standard toilet parts deliver reliable...
  • FLAWLESS DESIGN: This toilet flush valve has state-of-the-art electronics that prevent ghost flushing and a fully mechanical manual override button...
  • SIZE: The American Standard Exposed Selectronic toilet flush valve is capable of meeting ADA requirements when installed under a grab-bar that is...
  • INCLUDES: American Standard toilet flush valve also includes a 8-year CR-P2 lithium battery installed; has no diaphragms requiring replacement or...
SaleBestseller No. 5
American Standard 7381125-400.0070A Fluid Master 400A Universal Toilet Water Fill Valve, 10.00 Inch...
  • Replacement part
  • Universal Fluid master 400A replacement fill valve
  • Water control assembly
  • Includes valve, shank washer, lock and coupling nuts
  • Includes coupling washer, refill tube and refill tube clip
Bestseller No. 6
American Standard Cadet 3 1.28 gpf 10-Inch Rough Toilet Tank Only, White White
  • Durable and easy to clean vitreous china construction
  • EverClean surface inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surface
  • Oversized 3 inch flush valve with chemical resistant flapper
  • Flat tank cover for superior storage
  • Toilet tank only, bowl is sold separately
Bestseller No. 7
2 Pack Toilet Flapper Replacement Compatible with American Standard 738920-0070A 3-Inch Flapper...
  • 1. Compatible with American Standard repair part: Toilet flapper is replacement for 38920-0070A 3-Inch Flapper.
  • 2. Water saving: Replace old, leaky and inefficient toilet flappers to save on expensive water waste with this large toilet flapper
  • 3. Easy to Install: No tools are required for installation.Includes stainless steel chain with clip hook.. Use the American Standard Flapper Assembly...
  • 4. 3-Inch Flapper Assembly: Fix common running toilet problems with Hibbent toilet flapper. The toilet flapper replacement is engineered to function...
  • 5. Satisfied Customer Service: We provide within 24 hours customer service for every Hibbent toilet flapper replcement. If there is any problem,...
Bestseller No. 8
American Standard 4021001N.020 Cadet 3 1.6 GPF 12-Inch Rough Toilet Tank Only, White
  • Durable and easy to clean vitreous china construction
  • Ever Clean surface inhibits the growth of stain and odor-causing bacteria, mold and mildew on the surface
  • Oversized 3 inch flush valve with chemical resistant flapper
  • Flat tank cover for superior storage
  • Toilet tank only. Fits American Standard Cadet 3 toilet bowl models 3717D001 and 3717B001. Fits American Standard Cadet 3 toilet models: 270DA001 and...
Bestseller No. 9
American Standard 7381657-200.0070A Vormax Flapper Assembly
  • BEST-IN-CLASS: The American Standard Vormax toilet flapper provides optimal performance ideal for vormax toilets
  • DURABILITY: Built to last, this toilet flapper by American Standard features a secure metal toilet chain that provides durability for bathrooms for...
  • EASY INSTALLATION: This American Standard toilet flapper assembly is easy to install and includes an installation guide to walk you through the...
  • POWERFUL: The American Standard Vormax toilet flapper is essential for Vormax toilets featuring flushing technology that cleans two times better than...
  • INCLUDES: American Standard Vormax toilet flapper assembly includes dual flappers with silicone seals and teeter bar; Country of origin: China
SaleBestseller No. 10
American Standard 7301021-0070A Tank to Bowl Coupling Kit, Multicolor
  • TOILET COUPLING CONNECTOR KIT: Toilet Tank-to-Bowl 3-Inch Coupling Connector Kit features study construction and keeps your toilet bowl and tank...
  • DEPENDABLE DESIGN: Toilet Tank-to-Bowl Connector Kit that is engineered to be durable and reliable, so you have peace of mind; Check repair part...
  • EASY INSTALLATION: Toilet Tank-to-Bowl Connector Kit includes simple instructions makes installation quick and easy, using fewer parts with no...
  • DURABLE CONSTRUCTION: Replacement coupling connector kit components made with sturdy materials to withstand prolonged contact with water for...
  • INCLUDES: One toilet tank-to-bowl 3-inch coupling connector kit
SaleBestseller No. 11
American Standard 735121-400.020 Cadet 3 Toilet Tank Lid, 1 Pack, White
  • Toilet tank cover only
  • For use with cadet 3 two piece toilets with standard 12 Inch rough tanks, models 2386, 2383, 2384
  • Vitreous China
  • White
  • American Standard style that works better
Bestseller No. 12
American Standard 4142.016.020 Yorkville Flushometer Toilet Tank Complete with Coupling Components,...
  • Toilet tank only
  • Pressure-assisted siphon jet flush action
  • EverClean surface inhibits the growth of stain and odor-causing bacteria, mold, and mildew
  • Chrome trip lever
SaleBestseller No. 13
American Standard 738920-0070A 3-Inch Flapper Assembly, White
  • Made in United States
  • Package height :13.46 cm
  • Package length :6.1 cm
  • Package width :10.16 cm
SaleBestseller No. 14
2 Pack Large 3-Inch Toilet Flapper Replacement Compatible with TOTO flapper Model G-Max, THU138S,...
  • 1.Fits 3" flush valve opening: The Hibbent toilet flapper fits for TOTO 3 inch oversize flapper which features an oversized sealing surface to...
  • 2.High quality TPR material: flexible siliconized red rubber for a tight seal, long lasting, resists chlorine. Specialized Red Rubber For Resisting...
  • 3.Compatible with Toto Flapper: Replacement 3 Inch Toilet Flapper compatible with Toto G-Max THU499S, THU175S & 2021BP.
  • 4. Compatible with TOTO models: ST743S, ST744S, ST754SF, ST764S, ST774S, ST784SF, ST94SF, ST814S, CST756204SF, SCT853S, CST845S and CST874S.
  • 5.Easy to install: Tools are not required for installment and is easy to replace. Includes 3" flapper and stainless steel chain with clip hook.
Bestseller No. 15
American Standard 7381655-200.0070A Vormax Valve Assembly, Unfinished
  • BEST-IN-CLASS: The American Standard Vormax toilet valve assembly provides optimal performance ideal for vormax toilets
  • DURABILITY: Built to last, this toilet valve assembly by American Standard features a secure metal toilet chain and high performance flappers and...
  • FLAWLESS DESIGN: Built to last, this toilet valve assembly by American Standard features a complete flush valve w/flappers, teeter bar, and tank to...
  • PERFORMANCE: The American Standard Vormax toilet valve assembly is essential for Vormax toilets featuring flushing technology that cleans two times...
  • INCLUDES: American Standard Vormax toilet valve assembly includes dual flappers with silicone seals and teeter bar
SaleBestseller No. 16
American Standard 7389030020A Left Hand Plastic Trip Lever, For Cadet 3 Toilet Tanks, Polished...
  • Left hand trip lever
  • Plastic lever
  • For use with American Standard Cadet 3 4021, 4019, 4027, 2403 and 2568 toilet tanks
  • Polished chrome finish
Bestseller No. 17
American Standard 7381683-401.0070A Activate Actuator with Battery Compartment and Batteries
  • Sensor kit replacement for Clean ActiVate toilet
  • Plastic button
  • Plastic housing
  • No finish
  • Kit consists of actuator unit and battery compartment
Bestseller No. 18
American Standard 7381026-400.0070A, Black
  • Compatible with Cadet 3 Toilets (2852.000, 4000.101, 4007.101, 4021.128)
  • Genuine American Standard repair part
  • For 4021N model, please use 7381193-200.0070A
  • Check your repair part information for compatibility
SaleBestseller No. 19
American Standard 7301111-0070A Flush Valve Seal Kit , Clear
  • To be used with the American Standard Champion toilet flush valve
  • Includes refill clip, o-ring and flat gasket
  • Quality materials for durability and lasting performance
  • Ensures perfect fit and function
  • Easy to install
Bestseller No. 20
American Standard 4142.801.020 Yorkville 1.1 Gpf Pressure Assist Tank with Right Hand Trip Lever,...
  • 0954.000.020 Murro Lavatory 4-Inch Faucet Holes
  • 6055.205.002 Innsbrookselectronic
  • Rear Overflow

Having trouble finding a great American Standard 4021n Flapper?

This problem is well understood by us because we have gone through the entire American Standard 4021n Flapper research process ourselves, which is why we have put together a comprehensive list of the best American Standard 4021n Flappers available in the market today.

After hours of searching and using all the models on the market, we have found the best American Standard 4021n Flapper for 2023. See our ranking below!

How Do You Buy The Best American Standard 4021n Flapper?

Do you get stressed out thinking about shopping for a great American Standard 4021n Flapper? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching American Standard 4021n Flapper, which is why we have assembled a comprehensive list of the greatest American Standard 4021n Flapper available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for American Standard 4021n Flapper that you consider buying. Your questions might include the following:

  • Is it worth buying an American Standard 4021n Flapper?
  • What benefits are there with buying an American Standard 4021n Flapper?
  • What factors deserve consideration when shopping for an effective American Standard 4021n Flapper?
  • Why is it crucial to invest in any American Standard 4021n Flapper, much less the best one?
  • Which American Standard 4021n Flapper are good in the current market?
  • Where can you find information like this about American Standard 4021n Flapper?

We’re convinced that you likely have far more questions than just these regarding American Standard 4021n Flapper, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for American Standard 4021n Flapper, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible American Standard 4021n Flapper. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an American Standard 4021n Flapper buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available American Standard 4021n Flapper currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of American Standard 4021n Flapper has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an American Standard 4021n Flapper?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your American Standard 4021n Flapper.
  5. Customer Ratings: Number ratings grade American Standard 4021n Flapper objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their American Standard 4021n Flapper.
  7. Product Quality: You don’t always get what you pay for with an American Standard 4021n Flapper, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an American Standard 4021n Flapper is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining American Standard 4021n Flapper information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding American Standard 4021n Flapper is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: Can you replace the Flapper on an American standard toilet?

A: You can replace the entire flush toilet flapper valve, but it’s a big job. Secondly, what American Standard toilet do I have? Carefully remove your tank lid, and place it gently on the floor. You’ll notice a four-digit number located on the back of the tank, near the water level mark.

Q: What size flapper do I need for my toilet?

A: A majority of toilets will use the two inch flapper; however three inch flappers have become popular in recent years and can be found in newer toilets manufactured since 2005.

Q: How do I find out what model my toilet flapper is?

A: Carefully remove your tank lid, and place it gently on the floor. You’ll notice a four-digit number located on the back of the tank, near the water level mark. This is your tank model number. Then, how much does a toilet flapper cost?