14210-PNA-000 Sprocket (46t) - Overview. The 14210-PNA-000 Sprocket (46T) is a critical cam chain driven gear designed specifically for Honda marine engine systems and select automotive engines. It functions as a 46-tooth gear component responsible for transmitting power within the engine timing system, ensuring precise mechanical motion and timing synchronization essential for optimal engine operation. Manufactured to meet factory specifications and tolerances, it ensures seamless integration w