06125-ZVT-PA0 Gear Case Seal Kit - Overview. The 06125-ZVT-PA0 Gear Case Seal Kit is an essential genuine OEM component designed specifically for Honda marine engine systems. It supports the lower unit gear case system, playing a critical role in sealing to maintain water tightness and protect internal gear mechanisms from water intrusion and wear. With this seal kit, it ensures seamless integration with existing parts, maintaining optimal performance and durability for your marine engine.. Key