14510-ZY3-003 TENSIONER - Overview. The 14510-ZY3-003 Tensioner is an essential component in Honda marine engine systems. This timing belt tensioner supports the engine's drive system by maintaining the proper tension of the timing belt, which is critical for synchronized engine operation and overall reliability. Designed specifically for Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM genuine Honda com