It might be made by Datcon: https://vehiclecontrols.com/shopping/shop700/products1/c409-datcon-fuel-senders/I had great help & support at Service Express Company: 402-331-1797 (Dan).http://www.serviceexpressco.com/default.htm
Flat Island Boatworks can address the engine and generator. 850-434-8295. They are at the Pensacola shipyard but do mobile maintenanceSea-Air can address the Air Conditioning. 850-453-2888 / 850-291-4389. They are mobile maintenance.