14511-PNA-003 Stopper - Overview. The 14511-PNA-003 Stopper is a crucial component within Honda marine engine systems. Acting as a retainer, it secures various engine parts in place, preventing unwanted movement that could lead to malfunction or damage. This stopper plays an essential role in maintaining the reliability and smooth operation of Honda marine engines by ensuring seamless integration with existing parts.. Key Features. Essential OEM component designed specifically for Honda marine engines.. Functions as a retainer or stopper to hold engine parts securely.. Manufactured to meet precise factory specifications, dimensions, and tolerances.. Supports system reliability by preventing misalignment or dislodgement of parts.. Cleanly integrates with existing engine hardware, seals, and housings.. Helps maintain expected durability, performance, and operational feel.. Why Choose Genuine OEM. Using original Honda parts like the 14511-PNA-003 Stopper preserves the integrity of your ma