The Hayward SPX4000FG Drain Plug with O-Ring is a genuine OEM replacement designed to securely seal the drain port on compatible Hayward pool pumps and filters. It includes an integrated O-ring that provides a tight, leak-free seal to help prevent water loss and air leaks during operation. Ideal for replacing a worn, cracked, or missing drain plug, this durable part helps maintain proper system pressure and supports routine maintenance and seasonal winterization.








