76184-772-003 Primary V-Belt - Overview. The 76184-772-003 Primary V-Belt is an essential component of Honda marine engine systems designed to transmit mechanical power efficiently within the engine drive system. This OEM part plays a critical role in ensuring smooth operation and reliability of your marine engine by driving various accessory components. Crafted to meet exact factory specifications, this primary V-belt offers reliable fitment and performance for uninterrupted marine operations..