The Astral Pool Sena seal plate is designed for compatible pump applications where the motor side and wet end need the correct mounting and sealing interface. A seal plate is useful because it helps support the relationship between these major pump sections, making it a key structural part of overall pump integrity.This replacement is especially useful when the original plate is cracked, warped, damaged, or no longer supporting the seal area correctly. Replacing it can help restore proper alignment and improve confidence in the pump rebuild or repair.The 27455-0004 is a practical replacement part for compatible Astral Pool Sena pumps that need renewed structural support and cleaner assembly performance. Astral Pool Sena seal plate Designed for compatible pump structural and sealing support Helps maintain alignment between major pump sections Useful when the original plate is damaged or warped Supports cleaner and more dependable pump rebuilding