Precision Dimensions & Applications: Featuring a 2.56" outer diameter, 1.57" inner diameter, and 0.08" thickness, this fuel tank sending unit gasket is engineered for marine fuel sending units and Moeller marine fuel tank sending units. Suitable for sender unit replacements in fuel sending unit for boat tank applications, including installations requiring fuel sending unit float components. Universal Fuel System Compatibility: This fuel tank gasket kit serves as a direct replacement for top-mounted plastic or metal fuel tanks across boats, trucks, and for RVs. Compatible with Moeller marine fuel tank parts and marine fuel sending units including mechanical fuel sending unit systems. The sending unit gasket precisely fits boat fuel sending units and for Moeller fuel tank parts requiring exact dimensional specifications. High-Performance Sealing Material: Crafted from marine-grade nitrile rubber (NBR), this boat gas tank gasket delivers superior sealing with its thick, viscous construction. Resists fuel leaks in demanding environments, making it ideal for Moeller marine fuel tank parts and other fuel sending unit marine applications where vibration and temperature fluctuations occur. Durable Construction: The fuel tank gasket's NBR material provides exceptional wear resistance and high-temperature tolerance. Engineered to withstand harsh marine conditions, this boat fuel sending unit gasket ensures long-term reliability in mechanical fuel sending unit systems and marine fuel sending unit installations. Simplified Installation Process: Includes fuel tank screws and alignment guides for tool-free installation. Simply position the fuel sending unit gasket, align any fuel float components if applicable, and secure with provided hardware. This fuel sending unit gasket replacement restores proper function to sending units for gas tanks within minutes.