17943-ZV1-000 Powl Collar - Overview. The 17943-ZV1-000 Powl Collar is a vital component supporting Honda marine engine systems. This collar functions as a protective covering that plays a key role in securing and maintaining the integrity of associated mechanical assemblies. Designed for seamless integration with Honda marine parts, it ensures optimal performance, durability, and helps keep your equipment operating reliably on the water.. Key Features. Genuine OEM Honda part guaranteeing perfec