Universal Compatibility: Expertly designed to fit for 83143, as well as for models 242, 400, and 747, this toilet fill valve seal ensures a perfect match for a wide range of toilet models, enhancing versatility and convenience. Superior Material Quality: Crafted from premium-grade rubber, this toilet fill valve seal offers exceptional durability and a tight seal, effectively preventing water leaks and promoting long-term reliability in your bathroom's plumbing system. Enhanced Durability and Efficiency: By replacing your toilet's old valve seal with our robust product, you can prevent water wastage, reduce your utility bills, and extend the lifespan of your toilet's components, making it a cost-effective solution. DIY Installation Ease: This toilet fill valve seal is designed for hassle-free installation. It requires no professional tools or assistance, allowing you to quickly replace the old seal and restore your toilet's functionality with minimal effort. Leak Prevention and Stability: Installing our high-quality toilet fill valve seal significantly reduces the risk of toilet tank leaks, ensuring efficient and stable toilet operation, and providing peace of mind with every flush. Color:Black Material:Rubber Package Contents: 6 * 83143 Toilet Fill Valve Seal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.