CNWAGNER Excavator parts Water Pump Used For Chevrolet 25193406

Function:

1, The engine through the pulley drive water pump bearings and impeller rotation, the coolant in the water pump is driven by the impeller to rotate together, under the action of centrifugal force is thrown to the edge of the water pump housing, at the same time produce a certain amount of pressure, and then from the outflow channel or the water pipe out. The center of the impeller due to the coolant is thrown out and the pressure is reduced, the coolant in the water tank in the pump inlet and the impeller center of the pressure difference under the action of the water pipe is sucked into the impeller, to achieve the reciprocating cycle of the coolant.

2, Support the pump shaft bearing with grease lubrication, so to prevent the coolant leakage to the grease caused by grease emulsification, but also to prevent the leakage of grease. Water pump to prevent leakage of sealing measures are water seals and gaskets. Water seal dynamic sealing ring and shaft through the interference fit in the impeller and bearing between the water seal static seal seat tight pressure mounted on the pump shell, so as to achieve the purpose of sealing the coolant;

3, The water pump shell through the gasket connected to the engine, and support the bearings and other moving parts. The water pump housing also has a water drain hole, located between the water seal and the bearing. Once the coolant leaks through the water seal, it can be discharged from the drain hole to prevent the coolant from entering the bearing cavity and destroying the lubrication of the bearing and leading to rusting of the parts. If coolant still leaks out after the engine stops, the water seal has been damaged.

Specifications:

Our company sells automobile engine cylinder head, cylinder block, crankshaft, camshaft, connecting rod, throttle body, gasket, steering rack, steering pump, turbocharger, gearbox, fuel pump, air conditioning compressor, brake caliper, vacuum pump, window regulator / window regulator, wiper connecting rod / wiper mechanism / motor, control arm, leaf spring, sensor, thermostat, EGR valve, etc.

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