16731-747-003 Tube Clip - Overview. The 16731-747-003 Tube Clip is a critical component designed for Honda marine engine systems. This specialized clip secures tube components firmly in place, preventing movement during operation and ensuring the system functions reliably. Manufactured to precise factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Serves as a secure fastener for tube assemblies within Honda m