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2002 A6 2.7T - turbo replacement?

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Old 03-23-2011, 09:51 AM
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Where do these "ko" numbers come from? Today I received a quote on the turbos from a dealer (who advertises at the top of the forum page) which gives the p/n as 078-145-701-SX; no mention of "ko". (These are remanufactured, BTW.) Just trying to become conversant with the lingo! ;-)

~wh

Originally Posted by 2.7Lturbo
strike that. the ko3 on the a6 is different then the ko3 on the 1.8t, the 1.8t was superceeded with the ko4-001, dont think they did that with the A6 because the ko4-25 is so much better
Old 03-23-2011, 11:24 AM
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It's not actually ko4 it's k04, they are part of the k series turbos created by Borg Warner many other car companies use the k series such as porsche, they use k16s I believe. But go with frankenturbos forsure.
Old 03-23-2011, 07:39 PM
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Originally Posted by redge2.7t
It's not actually ko4 it's k04, they are part of the k series turbos created by Borg Warner many other car companies use the k series such as porsche, they use k16s I believe. But go with frankenturbos forsure.
So you're saying the oem Audi turbos are Borg Warner?
Old 03-23-2011, 07:48 PM
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Correct.
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