14270-ZY3-C00 L T/B Drvn Pulley - Overview. The 14270-ZY3-C00 L T/B Drvn Pulley is an essential driven pulley assembly supporting the transmission system in Honda marine engine systems. This component is critical for the timing belt drive, transmitting power efficiently to ensure smooth and reliable engine operation. As an OEM part, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Driven pulley designed specifically for left (