87538-ZV0-C21 Label - Overview. The 87538-ZV0-C21 Label is an essential component in Honda marine engine systems, serving as an operator caution label. It supports engine safety and compliance by delivering clear warnings and operational instructions to users. Designed to integrate seamlessly into Honda marine outboards, this label ensures consistent information delivery within the marine environment, maintaining optimal functionality and safety standards.. Key Features. Genuine OEM Honda part d