OK, so the fuel pump went out on my wife's 03' Liberty. It will cost $205 (AutoZone price) to replace it. I already replace the fuel filter (29.99 also at AutoZone). Well, I've been researching this idea for a few days now. But it sounds to good to be true. I came across a write up of a Grand Cherokee owner replaced his with an after market fuel pump. Two benefits: no need to drop the tank anymore and the pump costs about $100 less than the stock fuel pump. (99.99 for and MSD Fuel Pump or 79.99 for a JEGS fuel pump). My questions are would I need to install a fuel pressure regulator with this or would the stock regulator be sufficient? Also, does it sound like this set up would even work? Any advice on this would be greatly appreciated

I would go right to jeep and get the OEM part  I have put in line fuel pumps in before on old POS but nothing that new I try to stay away from after market on parts like that cause the after market part fit alot of different listing when the dealer is useuly just that app. just my two cents  the other thing is if you put in a inline fuel pump it runs all the time and is very noisey  just bite the bullet and let the dealer bend you over  trust me you'll thank me in the long run I been doing this for 19 years and any time you try to save a penny it cost you dollars in the end

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DRIVE IT LIKE YOU STOLE IT!!!!!!!!!!!!!