15302-PE0-300 Washer (14mm) - Overview. The 15302-PE0-300 Washer (14mm) is an essential component used in Honda marine engine systems. This sealing washer plays a vital role in securing and sealing engine parts to maintain the integrity of the system and prevent leaks. As a precision OEM part, it ensures seamless integration with existing components, maintaining optimal performance and durability.. Key Features. Genuine OEM sealing washer designed specifically for a precise 14mm diameter fit.. Manufactured to meet Honda's strict factory specifications and tolerances.. Provides reliable sealing to prevent fluid leaks in the engine assembly.. Ensures proper fit with adjacent washers, bolts, and engine parts without compatibility issues.. Durable construction that withstands harsh marine environments, including saltwater exposure.. Maintains system reliability by preserving correct sealing and mounting within marine engine systems.. Why Choose Genuine OEM. Using original Honda parts like