RAM 3500 Truck 4WD V10-8.0L VIN W HDC (1999)
The fuel pump module on all gas powered engines is installed in the top of the fuel tank. The fuel pump module contains the following:
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A combination fuel filter/fuel pressure regulator
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Electric fuel pump
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Fuel pump reservoir
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A separate in-tank fuel filter (at bottom of module)
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Rollover valve (certain modules)
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Fuel gauge sending unit (fuel level sensor)
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Fuel supply line connection at filter/regulator
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A threaded locknut retaining pump module to fuel tank
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A gasket between tank flange and module
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Auxiliary non-pressurized fuel supply fitting (not all engines)
The fuel gauge sending unit (fuel level sensor), and pick-up filter (at bottom of module) may be serviced separately. If the electrical fuel pump
requires service, the entire fuel pump module must be replaced. The fuel filter/fuel pressure regulator may be serviced separately. Refer to Fuel
Filter/Fuel Pressure Regulator Removal/Installation for additional information.