17749-ZY3-U01 Tapping Screw - Overview. The 17749-ZY3-U01 Tapping Screw is an essential fastening component designed for Honda marine engine systems. It plays a vital role in securely joining various components, ensuring your marine equipment operates reliably and efficiently. As a self-tapping screw, it forms its own threads when installed into pre-drilled holes, offering a secure and durable connection in challenging marine environments.. Key Features. OEM genuine Honda part guaranteeing perfect fit and finish.. Self-tapping design to create mating threads in assembly materials.. Supports rigging and accessory systems integral to marine engine function.. Precisely manufactured to meet Honda's factory specifications, dimensions, and tolerances.. Ensures seamless integration with existing hardware, seals, or housings.. Maintains durability and reliable performance under marine operating conditions.. Why Choose Genuine OEM. Using original Honda parts like the 17749-ZY3-U01 Tapping Screw