19313-ZY6-020 Spacer - Overview. The 19313-ZY6-020 Spacer is an essential component within Honda marine engine systems. It supports the thermostat cover system by maintaining precise spacing and alignment between critical engine parts. This ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precision spacer designed specifically for the thermostat cover system in Honda marine engines.. Genuine OEM component, ensuring exact factory specifications, dimensions, and tolerances.. Helps maintain proper mechanical gap, which is crucial for accurate engine thermostat functioning.. Integrates cleanly with factory hardware, seals, and housings.. Enhances engine reliability and mechanical integrity, preventing misalignment and related issues.. Designed to meet Honda's rigorous durability and performance standards.. Why Choose Genuine OEM. Using original Honda parts like the 19313-ZY6-020 Spacer preserves the integrity of your marine en