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Just found a coolant leak. Need help finding part number!!!

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Old 02-02-2019, 01:58 PM
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Default Just found a coolant leak. Need help finding part number!!!



Hi, guys.
Just found a leak in my cooling systema 2013 S8. I need help finding part number. The leak looks like it is coming from top of water pump plastic fitting right in the center. It might be just o-ring, but I would like to replace that pice while I am in there. Thanks!!!

Last edited by blazej01; 02-02-2019 at 02:05 PM. Reason: Forgot car model.
Old 02-03-2019, 05:07 AM
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The 45º elbow is 079-121-147-C which might come with o-ring N-907-132-03. The hose connecting to it is 079-121-057-AF and clamps N-906-872-01. Fitting at top of hose is 079-121-127-E which may include gasket 079-121-043-B.
Old 05-21-2019, 04:01 PM
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Can someone help me out, apparently on the 2011 A8 4.2L, I am looking for the switching valve in the picture above, but it looks different than the pic above on my car. Can someone help me locate the correct part? Thanks.
Old 05-22-2019, 08:28 AM
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Ultimately the kind of diagrams we would have to look at to find it anyway: Online Audi vehicles spare parts catalogue, Audi VIN decoder, Part number search, *** Online

There are a few of these sites around. Basically all of the dealer level parts slides--called ETKA.
Old 05-24-2019, 06:27 AM
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Thanks, I was able to find the part I was looking for it was the union, part number 079 121 127 F. Thanks for your help. @MP4.2
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