The Waterco SupaStream seal plate is designed for compatible pump applications where the seal plate needs replacement as part of a more complete wet-end rebuild. A seal plate is useful because it creates one of the main structural and sealing interfaces inside the pump, helping support correct alignment between critical components.This replacement is especially useful when the original seal plate is cracked, distorted, worn, or no longer providing the stable mounting surface the assembly needs. Replacing the seal plate can often improve the overall quality and longevity of the repair more than expected.The 6350634 is a practical service part when a compatible Waterco SupaStream pump needs its seal plate renewed for cleaner fit and more dependable operation. Waterco SupaStream seal plate Designed for compatible pump structural and sealing service Helps restore proper fit between major wet-end components Useful when the original seal plate is cracked or worn Supports a more complete pump rebuild