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  1. #1
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    Arrow 2.7T Aluminum Thermostat Housing

    Guest-only advertisement. Register or Log In now!
    -SOLD-

    Audi began using a Nylon 66 glass filled (plastic) thermostat housings in 2001. These are now up to 14 yrs old. Owners are discovering the problems when these warp and crack. Some of the plastic housings leak right after replacing the thermostat due to warping. Labor cost to replace can be over $200. The solution is to replace with the more expensive but reliable pre-2001 aluminum factory part shown here during the timing belt service.

    This one is in excellent condition for a used part. This is the actual part you will receive.










    Comes with a new thermostat O-ring. Compare this to new at $130+ for aftermarket. This is an OEM part.
    078-121-121J
    078 121 121 J
    078121121J

    $75 shipped in the lower 48 states

    Located in Kansas City
    Contact Chris here - --e-mail LINK--

    Link to repair article

    Link to forum post on housing part numbers
    Last edited by Gearbox; 08-15-2017 at 07:20 AM.

  2. #2
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    bump

  3. #3
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    Bump

  4. #4
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    bump

  5. #5
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    bump

  6. #6
    Senior Member Three Rings
    Join Date
    Mar 17 2017
    AZ Member #
    395711
    Location
    chicago il

    $60 shipped to 60131

  7. #7
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    "here is one for $55"

    but I have no idea of its condition...
    Last edited by Gearbox; 08-14-2017 at 11:12 AM.

  8. #8
    Veteran Member Three Rings
    Join Date
    Feb 23 2013
    AZ Member #
    110121
    My Garage
    B5/S4,MkI Scirocco, Rabbit Truck, allroad, mkV Jetta, T1 Touareg V8
    Location
    KC, MO

    bump

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