Ensure a secure and watertight seal with the Seadog 1-1/2" Replacement Deck Fill O-Ring. Designed for durability and reliability, this O-ring is perfect for replacing worn or damaged seals on your boat's fuel or water deck fills. Key Features: High-Quality Material: Made from durable rubber, this O-ring is resistant to wear, weather, and marine conditions, providing long-lasting performance. Perfect Fit: Specifically designed for 1-1/2" deck fill applications, ensuring a snug and reliable fit to prevent leaks. Easy Installation: Simple to replace, making it convenient for quick repairs and maintenance on your boat. Versatile Use: Suitable for various marine applications, including fuel, water, and waste tank fills. Keep your boat in top condition with the Seadog 1-1/2" Replacement Deck Fill O-Ring—your solution for maintaining a watertight seal!