01 3.9 cat replacement

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11-10-2010, 09:28 PM

Screech

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01 3.9 cat replacement

Hi I have a bad cat in my Dakota. Its the passenger side cat after the mainfold. I need to get a new one. Does anyone know what size it is and the best place to get one. Its a quad cab 2wd.

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11-10-2010, 09:35 PM

thunder98110

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are u talking about the pre-cats or the actual cat?

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11-10-2010, 09:41 PM

Pwall

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if theres 2 replace both and possibly o2 sensors

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11-10-2010, 09:52 PM

Screech

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Its the pre cats. theres sensors after the cats on both sides and theres another one where the both pipes join together

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11-10-2010, 09:59 PM

thunder98110

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i didnt know the precats would ever go bad. not sure where you can pick thoes up...sorry no help from me.

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11-11-2010, 10:27 PM

dakota19762

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These are the cheapest I have found.They fit correctly and you have California emissions on your truck.

http://www.autopartswarehouse.com/se...3408bff5&lct=s

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