91508-ZVL-000 Collar - Overview. The 91508-ZVL-000 Collar is a crucial component within Honda marine engine systems. It serves as a securing and protective element, specifically designed to support timing belt cover assemblies. By maintaining precise alignment and a secure fit, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda part designed to meet factory specifications and tolerances.. Functions as a collar for