91552-ZZ3-000 Collar (6Mm) - Overview. The 91552-ZZ3-000 Collar (6Mm) is a critical component designed to support Honda marine engine systems. This 6mm collar plays a vital role in securing and spacing within the marine engine's accessory or mechanical assemblies, ensuring proper alignment and smooth operation. Crafted to meet exact factory specifications, it guarantees compatibility and durable performance, seamlessly integrating with existing parts and hardware.. Key Features. A precision-engi