Duravit T537866 Single Handle Faucet Cartridge 35MM

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Blue and black plastic cartridge body with white square plastic handle connection grey plastic limit stop and black rubber seals.

Duravit T537866 Single Handle Faucet Cartridge 35MM - Image 2

Duravit T537866 Single Handle Faucet Cartridge 35MM - Image 4

WHAT OUR CUSTOMERS SAY…

“I sent in photos of a broken cartridge (still installed, couldn’t take it out myself due to water shut-off restrictions in a condo) and even with the limited view they were able to tell me the exact part I needed so I could have it ready for the plumber (meaning I didn’t need to pay for a plumber to come out twice!!) ”

-Alaina W.

06/27/2026

$31.47

The Duravit T537866 is a 35mm (K-35 OP) single-lever replacement cartridge designed for various Duravit single-handle faucets and showers (such as the B.1 and B.3 series). It resolves leaks and inconsistent water flow

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.

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Restore your Duravit faucet’s performance with the Duravit T537866 K-35 OP Single Lever Cartridge. Engineered for exact compatibility with select Duravit single-handle basins and mixers, this premium replacement part eliminates leaks and restores smooth, reliable flow and temperature control.

T537866