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  1. #1
    Senior Member Three Rings LOWLIFE_S4's Avatar
    Join Date
    Aug 10 2010
    AZ Member #
    62538
    Location
    Round Rock, TX

    Walbro 450 fuel pump, would it fit the B6 S4 fuel tank?

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    I need to replace the fuel pump for my B6 S4, I want a slight upgrade over stock. I was looking at the Walbro 450 fuel pump and wondering if it would fit the tank with little or no modifications needed. Any information is welcome. No trolling please.

    Reason I am looking to upgrade is due to the old pump seeming like it might be on it's way out. PLUS: 2.7t swapped my S4.
    2.7t swap - 2.8l heads/cams - BW K04's - Zero ECU tune - 3" "full race" exhaust - B7 RS4 clutch/Fidanza flywheel - KW V3's - RS4 rear sway bar - 034 upper control arms - 034 billet subframe bushings - XS-power smic's

  2. #2
    Senior Member Two Rings MarilynB6's Avatar
    Join Date
    Dec 11 2012
    AZ Member #
    105660
    My Garage
    2005 S4, 2008 DTM S4, 1993 Ford Bronco
    Location
    Newmarket, NH

    I could be wrong (and it happens a lot) but I think for aftermarket B6 fuel pumps you'll need an adapter or kit like the one 034 sells to get it in-tank.

  3. #3
    Veteran Member Three Rings jr1415us's Avatar
    Join Date
    Mar 08 2011
    AZ Member #
    72061
    Location
    Chicago IL

    You can fit a Bosch pump in there using the adapter ring from 034 Motorsport.

    The Bosch pump is available for about $142 on Amazon: http://amzn.to/1IWNhBK

    034 mounting kit $135: http://store.034motorsport.com/bille...osch-60mm.html
    2013 Arctic White Allroad Premium Plus

    RIP 04 S4 Avant 2012-2017

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