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It's got a long "funnel" on the bottom of it, so it can reach the bottom of the 4X4 pan. I think the "neck" with the orange gasket on it is the same height as the stock one.
Teh stock one has a pickup with about 1/4 inch, no more than that, the deep pan one has a pickup with about an inch or so. The Neck going to the pump is the same on both.
When you drop your stock pan, compare it to the one in it now.