31232-ZY6-003 Brush Holder - Overview. The 31232-ZY6-003 Brush Holder is an essential component within Honda marine engine starter motor systems. This brush holder supports the electrical system by securing and guiding the carbon brushes that maintain contact with the starter motor armature, allowing reliable engine starting and operation. Designed to integrate seamlessly with existing Honda marine engine parts, it ensures optimal performance and durability under marine conditions.. Key Features