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whats the difference in the 2 pumps?

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Old Feb 15, 2012 | 06:53 PM
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Default whats the difference in the 2 pumps?
90 f150. dual tanks. whats the difference in the front and back fuel pumps? i can find the rear ones cheaper than the front ones. tryin to figure out what the difference is in the 2.
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Old Feb 15, 2012 | 07:11 PM
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They're different...back is shorter. They're def not interchangeable.
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Old Feb 15, 2012 | 08:48 PM
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Originally Posted by farmer12
They're different...back is shorter. They're def not interchangeable.
Are 90s the pump in the plastic can like 94s
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Old Feb 15, 2012 | 09:43 PM
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The difference is the depth of the tank, you can't interchange them.
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Old Feb 15, 2012 | 09:46 PM
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i figured as much. but some of the ones on ebay say they'll fit both tanks. whats the story on those?
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Old Feb 15, 2012 | 09:54 PM
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Probably just the fuel pump, yes both tanks use the same pump. You don't just change the pump because of the other parts in the assembly that go bad. You need the fuel pump assembly.
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Old Feb 15, 2012 | 10:02 PM
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Originally Posted by Just call me Sean
Probably just the fuel pump, yes both tanks use the same pump. You don't just change the pump because of the other parts in the assembly that go bad. You need the fuel pump assembly.
What else goes bad, fuel gauge sender?
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Old Feb 15, 2012 | 10:38 PM
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And the check valve.
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Old Feb 15, 2012 | 10:39 PM
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ive been looking at complete assemblys. they still say they fit both tanks.
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Old Feb 15, 2012 | 10:42 PM
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I've seen some assemblies that were spring loaded for different depth tanks.
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