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American Standard 7381043-400.0070A HET 1.28 GPF Flapper Assembly

Green plastic flapper with clear rubber washer with yellow float and stainless beaded chain.
Green plastic flapper with clear rubber washer with yellow float and stainless beaded chain.
Green plastic flapper with clear rubber washer with yellow float and stainless beaded chain.

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“Sent Noel’s plumbing and image of what was needed, not being able to find it. They had it sent to me within a week and fitment was perfect. 👍 ”
-Lorenzo H.
03/12/2026

$21.87

 

The American Standard 7381043-400.0070A is a 3-inch High Efficiency Toilet (HET) flapper assembly designed for 1.28 gallons per flush (GPF) toilets. This genuine OEM replacement part features a hard plastic frame and includes an integrated yellow float and a stainless steel chain.

We can ship anywhere the US Postal Service ships. For orders being shipped outside the US, please contact us at (888) ASK-NOEL, noelsplumbingsupply@fuse.net, or via the text widget on this screen.

SKU: 97381043400007 Category: Tag:

American Standard HET 1.28 GPF Flapper Assembly

 

  • Includes a 3-inch hard plastic flapper, a yellow float, and a stainless steel chain with a hook.
  • Fits several American Standard series including Cadet 3, Town Square S, Loft, Tropic, and Lexington one-piece toilets.
  • Genuine repair part

 

7381043-400.0070A

Common questions about this product

Is this item the original manufacturer's recommended replacement part? chevron-icon

Yes, this is the OEM recommended part.

Is this the correct item for my application? chevron-icon

If you’re not sure text us a picture 1-888-275-6635 or email us a picture at noelsplumbingsupply@fuse.net.

 

We will make sure you have the right part.

 

 

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-Matt F.
09/19/2025