Bought a broken engine

Bought a Mazda B6 motor from them engines for africa 30/10/2017. 1. The carb on the engine was broken Engines for Africa response : Sorry cant help you we don`t have another one for you, you must sort it out I went and bought another carb I had to wait for and installed it done 28/11/2017 2. Car kept overheating We thought it to be the radiator being blocked and had if cleaned by professionals, car still kept overheating only to find out from the mechanic that the head was cracked or head gasket worn. Seal not melted yet that Engines for Africa put on Engines for Africa response: It`s not our problem you are a day out of Guarantee My personal opinion. Never buy anything from these guys as they are quick for a sell but no service on there faulty engines.