The Waterco diffuser gasket is designed for compatible pump or filter-related applications requiring a gasket with a 2-1/16 inch inner diameter and a 2-13/16 inch outer diameter. A diffuser gasket is useful because it helps create a seal around the diffuser area, which can be important to preserving proper internal hydraulic behavior and preventing unwanted leakage at the joint.This replacement is especially useful when the original gasket is compressed, brittle, torn, or no longer sealing confidently during operation. Replacing the gasket can often improve the quality of the rebuild more than expected because small sealing failures in diffuser-related areas can affect the entire assembly’s performance.The 635060 is a practical repair part when a compatible assembly needs the correct diffuser gasket to restore a clean and dependable seal. Waterco diffuser gasket 2-1/16 inch ID by 2-13/16 inch OD sizing Designed for compatible diffuser-area sealing applications Useful when the original gasket is worn or leaking Supports a cleaner and more dependable rebuild