The Hayward NorthStar Pump Seal Plate O-Ring, model SPX4000T (O-239) made by Aladdin, is a crucial replacement part designed specifically for Hayward NorthStar SP4000 Series pool pumps, including models SP4005(NS) through SP4030(NS). This O-ring ensures a watertight seal between the pump motor and the seal plate, preventing leaks and maintaining optimal pump performance. With an inside diameter of 9-1/2 inches, is tailored to fit perfectly, offering reliability and durability for pool maintenance.

• Precision Fit: Ensures a tight and effective seal with an inside diameter of 9-1/2 inches is built for preventing leaks and maintaining pump efficiency.
• Easy Installation: Designed for quick and simple installation, allowing pool owners to replace the seal plate O-ring without professional help.
• Durability: Manufactured to withstand the harsh conditions of pool environments, ensuring long-term reliability and performance.
• Leak Prevention: Essential for maintaining the structural integrity of the pump by preventing water leakage that can lead to damage and inefficiency.
• Maintenance Essential: Regular replacement of the seal plate O-ring is recommended to keep the pool pump operating at optimal performance.