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Where is the fuel pump installed?

1 Answers

MacPeyton

07/30/25 7:26am

Fuel pumps are divided into gasoline pumps and oil pumps. The gasoline pump is installed inside the fuel tank, while the oil pump is installed inside the engine. Currently, most vehicle models have the fuel pump installed inside the fuel tank, powered by electricity. The fuel pump consists of three parts: the pump body, the permanent magnet motor, and the housing. Fuel pumps are characterized by their simple structure, compact size, good suction performance, high fuel delivery capacity, low noise, smooth operation, high efficiency, and long service life, making them suitable for lubrication or cooling systems in various machine tools, internal combustion engines, diesel engines, ships, and other mechanical equipment. For newly replaced fuel pumps, dry testing is not allowed. Since the pump motor is sealed inside the pump housing, the heat generated during dry testing cannot dissipate, and the armature may overheat and burn out the motor. Therefore, the fuel pump must be immersed in fuel for testing.

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