90602-ZY3-020 Tube (D32.5) Clamp - Overview. The 90602-ZY3-020 Tube (D32.5) Clamp is an essential component supporting Honda marine engine systems. This clamp is specifically designed to securely hold a 32.5mm diameter tube, ensuring reliable operation within marine rigging and accessory systems. By providing a secure fit, it prevents tube displacement, leaks, and mechanical wear during engine operation. Fabricated to meet stringent Honda factory specifications, it ensures seamless integration w