2021 High quality Cat Fuel Filter - Factory inventory Spin-on Fuel Filter Fuel Water Separator P551010 P550900 WK11032X FS20007for Donaldson – MILESTONE

Cross Reference

Fuel filter performance characteristics

If the filter is installed in the fuel line, it is called an external filter; conversely, the internal filter refers to the filter installed inside the fuel pump and fuel tank. Among them, the fuel tank filter or its protective sleeve is generally considered to be a maintenance-free component.
Many truck fuel filters use drum tube connections. In order to ensure the reliability of the connection and sealing, the same gasket must not be used repeatedly. In addition, even if a brand-new gasket is used, the tightness of the connection must be checked. When the fuel system needs to replace the “O” ring, it is necessary to ensure that the specifications and model of the “O” ring are correct, and to check whether the elasticity and hardness of the ring are appropriate.
The fuel system without loop has only one internal filter (in the fuel tank). Although this multi-in-one pump, filter, and delivery unit is expensive, when fuel delivery is blocked or engine performance is reduced, Proper maintenance and maintenance must also be carried out in a timely manner. At the same time, it is necessary to check all the faults in the fuel line and the rupture and curling of the hose clamp.

Replacement cycle

The recommended replacement cycle of the fuel filter should vary according to its own structure, performance and purpose, and cannot be generalized. Most automobile manufacturers recommend a replacement period of 48,000 km for normal maintenance of their external filters; the recommended replacement period for conservative maintenance is 192,000 to 24,000 km. If in doubt, please refer to the owner’s manual to find out the correct recommended replacement period.
In addition, when the filter hose has aging or cracks caused by dirt, oil, etc., the hose needs to be replaced in time.

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