To prevent deterioration and cracking, which can result in rain or deck water entering the fuel tank, high-quality o-rings are required for boat maintenance. This o-ring will help you maintain your boat. The O-Ring - Volvo Penta (925255) is a rubber o-ring for the thermostat housings having a flat cover plate and weighs 0.02 LBS. It has been made durable and long-lasting by Volvo Penta, which provides excellent engine oils, parts, and accessories to the marine industry for over 65 years. The O-Ring - Volvo Penta (925255) is perfect for your engine fuel to prevent water or other liquids from entering the fuel tank. Key Features: Durable and long-lasting It prevents deterioration and cracking It is a rubber o-ring for the thermostat housings having a flat cover plate Avoids rain or deck water entering the fuel tank Specifications: Brand: Volvo Penta SKU: 925255 Weight: 0.02 LBS Diagram Reference Number: 16 Manufacturer Part Number (MPN): 925255 Volvo Penta Exploded view / schematic Heat Exchanger, Components