1.Rubber Material: The water pump base seal ring is made from rubber materials, ensuring durability and reliability for long lasting performance. 2.Designed for Outboard Engines: Specifically designed for outboard engines with a 30 horsepower rating, ensuring a perfect fit and optimal performance. 3.Leak Prevention: The seal ring effectively prevents leaks in the water pump base, protecting the outboard engine and ensuring proper functioning. 4.Easy Installation and Maintenance: The seal ring is designed for easy installation, making it convenient to maintain and replace when necessary. 5.Outboard Engine Part: part numbers is 61N-45315-00, providing assurance of quality and compatibility for your outboard engine. Specification: Item Type: 61N-45315-00 Packing Lower Casing Colour:Black Material:Rubber Package Contents: 2 x Water Pump Gasket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.