Radiator for large passenger bus

The utility model relates to a radiator for a large passenger bus. The radiator for the large passenger bus comprises an outer frame protection plate, a first radiator core body which is arranged in the outer frame protection plate through a reinforcing rod, a second radiator core body which is arranged adjacent to the first radiator core body, an upper main sheet which is arranged at the top of the outer frame protection plate, an upper water chamber which is connected with the upper main sheet, a gas exhaust pipe which is arranged on the upper water chamber, a lower main sheet which is arranged at the bottom of the outer frame protection plate, a first low water chamber which is connected with the lower main sheet, a second lower water chamber which is arranged adjacent to the first lower water chamber, a water inlet pipe which is arranged in the first lower water chamber, a water temperature sensor which is arranged on the first lower water chamber, a water outlet pipe which is arranged in the second lower water chamber, a water drain valve which is arranged on the second lower water chamber, and rubber shock absorbing blocks which are arranged on the two sides of the bottom of the outer frame protection plate. The radiator for the large passenger has the advantages that since the special main sheet is used for dividing the lower water chamber into two chambers, the heat radiating effect is improved; the cost is low and only the structure of main sheet needs to be modified; the modification process is simple and the effect is obvious.