84905-459-670 Rubber A - Overview. The 84905-459-670 Rubber A is a crucial rubber cushion component designed to support the mounting of license or number brackets in Honda marine engine systems. Serving as a protective and stabilizing element, this part helps absorb vibrations and prevents damage caused by mechanical stress, ensuring the reliable operation of the system it supports. Designed specifically for Honda marine applications, it integrates seamlessly with original hardware for optimal p