91552-ZVA-000 Engine Case Collar - Overview. The 91552-ZVA-000 Engine Case Collar is an essential component supporting Honda marine engine systems. It acts as a collar connected to the engine case, providing critical support and alignment within the assembly. Designed to fit precisely with Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda part ensuring original quality and durability.. Speci