14270-ZVL-010 L T/B Drvn Pulley - Overview. The 14270-ZVL-010 L T/B Drvn Pulley is an essential component of Honda marine engine systems, specifically designed for the timing belt driven system. This pulley plays a vital role in transmitting mechanical power within the engine, helping to maintain smooth operation and reliability. Manufactured to meet strict factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features.