14441-ZY9-000 Exhaust Rocker Arm A - Overview. The 14441-ZY9-000 Exhaust Rocker Arm A is a critical component in Honda marine engine systems. It supports the exhaust valve system and controls the opening and closing of exhaust valves, ensuring efficient engine operation. Designed as a genuine OEM part, it guarantees compatibility and reliability, seamlessly integrating with existing parts to maintain optimal performance and durability.. Key Features. Genuine OEM Honda exhaust rocker arm designed