13326-PZ1-003 Main Bearing F - Overview. The 13326-PZ1-003 Main Bearing F is a critical component within Honda marine engine systems. It functions as a main bearing that supports the crankshaft, allowing it to rotate smoothly within the engine block. By doing so, it enables efficient power transfer and helps maintain reliable marine engine operation. Designed as an OEM genuine part, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features