The gasket is common. I replaced my toilet and removed my gasket. The replacement was the same on the new toilet Theford to Dometic. To be safe though, I would look online for the seal that matches the brand of toilet you have. I did not measure the seals though they were of the same construction.
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WBCCI 8653/AIR 60240
2022 Ford F150 PowerBoost Platinum w/7.2KW
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