American Standard 7381042-0070A Flush Valve Seal

“Kohler K-1083980 3″ Toilet Canister Flush Valve Kit” has been added to your cart. View cart

WHAT OUR CUSTOMERS SAY…

“Thank you very much. Your customer service is outstanding. Since I want to keep my very old (1988) Kohler San Raphael toilet for years to come. , it’s good to know that you have parts I could need in the future! ”

-Cathy G

10/31/2024

$7.87

The American Standard 7381042-0070A is a genuine replacement flush valve seal primarily designed for 3-inch canister-style toilet tanks. Made from high-quality, flexible silicone, this circular gasket measures 2-5/8″ outer diameter (OD), 1-3/16″ inner diameter (ID), and 1/8″ thickness.

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Crafted from high-grade, flexible silicone, this genuine replacement part offers robust durability against chemical warping and constant water exposure. It is specifically engineered for a precise fit on 3-inch canister-style flush valves, providing a leak-proof barrier that keeps your bathroom quiet and running efficiently.

7381042-0070A

Flexible silicone for chemical resistance and lasting elasticity.
Works with the following tank models: 4035.216, 4035.516

Common questions about this product

Yes, this is the OEM recommended part.

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.

WHAT OUR CUSTOMERS SAY…

“Hey these guys are awesome! If you need a part for a fixture they have it send a picture and they can tell you what it is, they know their stuff, they have the weird obscure things you can't find unless you get a whole trim kit or whatever. Worth the trip and the money. They save you tons of time definitely visit ”

-Justin H.

06/05/2026