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Old 08-31-2012, 09:07 PM
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Metal Cold side CAC question

It appears there are two part numbers for this piece

6C3Z-6C640-AA and 6C3Z-6C646-A

IF you search here and google they look the same but I can't really tell. Does anyone know if there is a difference between the two?

The latter part number is about $10 cheaper at tousley and is listed for 03-04 6.0Ls and the first part number doesn't have any description but guys here have obviously used it.

Thanks

Dik
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Old 08-31-2012, 09:11 PM
DBM DBM is offline
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might be for dual alternator, I think they have a flat spot on them
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Old 08-31-2012, 09:15 PM
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I suppose I order the one I know works and not worry about $10.

Dik
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Old 09-01-2012, 05:01 AM
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Quote:
Originally Posted by SandawgK5 View Post
It appears there are two part numbers for this piece

6C3Z-6C640-AA and 6C3Z-6C646-A

IF you search here and google they look the same but I can't really tell. Does anyone know if there is a difference between the two?

The latter part number is about $10 cheaper at tousley and is listed for 03-04 6.0Ls and the first part number doesn't have any description but guys here have obviously used it.

Thanks

Dik
Made the swap to the metal cold side CAC tube on my 06. The part you want is 6C3Z-6C640-AA . Here is a link to another thread on the subject:intercooler exit tube

Last edited by skanj0; 09-01-2012 at 05:07 AM.
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Old 09-01-2012, 08:15 AM
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Just FYI the intercooler pipe that is modified for the dual altermators is on the hot side pipe (passenger) not the cold side (driver).
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Old 09-01-2012, 09:14 AM
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Quote:
Originally Posted by Aretoo View Post
Just FYI the intercooler pipe that is modified for the dual altermators is on the hot side pipe (passenger) not the cold side (driver).
Yep, exactly. They are the same on the cold side.
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Old 09-01-2012, 09:27 AM
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Strange, Tousley clearly lists two different part numbers. The one Riffraff sells is the 6C646-A part number. I just didn't know if there was any significant difference. I went ahead and ordered the one called for in the TSB that everyone else has been using. I also ordered a set of Riff Raff boots in red to match the outside of my truck
Metal Cold side CAC question-kgrhqmokjue2zmhjn-wbntzbtyt-w-_12.jpg


My other boots are really oily and my boost seems to be a bit lower than it should be.

Thanks for the discussion.

Dik
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Old 09-01-2012, 03:53 PM
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AA is the cold side metal tube for a 05-07 truck. normally this would be a black plastic tube
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Old 09-01-2012, 05:03 PM
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Quote:
Originally Posted by sinner6.0L View Post
AA is the cold side metal tube for a 05-07 truck. normally this would be a black plastic tube
That makes sense. the -A is 03-04 and the -AA is 05-07.

Dik
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