3.7 CAI compatible with 4.7? - Jeep Commander Forums: Jeep Commander Forum
Intakes Questions or advice about intakes? This is the place...

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post #1 of 16 (permalink) Old 05-04-2008, 06:10 PM Thread Starter
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3.7 CAI compatible with 4.7?

I noticed looking around that most of CAI systems lump the 3.7 and the 4.7 together under the same part number. Is this the same with the MOPAR version?

http://www.justforjeeps.com/mocoairin.html

Would using the MOPAR version negate any warranty issues?
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post #2 of 16 (permalink) Old 05-04-2008, 07:58 PM
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I can only speak for the K&N - but I believe the 3.7 and 4.7 applications are different. The intake goes into the side of the throttle body on the 3.7 and, from the photos I've seen on this forum, the intake goes into the front of the 4.7's throttle body.

Here's a photo of the 3.7 install (I could not find the 4.7 install photo):



I can't imagine that if you bought a Mopar branded part manufactured specifically for your Jeep it would void the warranty. Unless they insist you have someone "certified" install it (i.e. a Jeep dealer).


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post #3 of 16 (permalink) Old 05-04-2008, 08:01 PM
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Seems like my 06' 4.7 has a similar entry point in the airbox. However, I'd be surprised if they did use the same part. I'd believe it, but I would be surprised.


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post #4 of 16 (permalink) Old 05-04-2008, 09:20 PM
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Quote:
Originally Posted by webjones
I can only speak for the K&N - but I believe the 3.7 and 4.7 applications are different. The intake goes into the side of the throttle body on the 3.7 and, from the photos I've seen on this forum, the intake goes into the front of the 4.7's throttle body.

Here's a photo of the 3.7 install (I could not find the 4.7 install photo):



I can't imagine that if you bought a Mopar branded part manufactured specifically for your Jeep it would void the warranty. Unless they insist you have someone "certified" install it (i.e. a Jeep dealer).
Here is a 4.7 with an aFe Magnum Force CAI


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post #5 of 16 (permalink) Old 05-04-2008, 09:53 PM
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It is hard to see in this 39K reduced size picture, but the K&N CAI does enter the intake from the front and not the side. This is an 07 4.7 engine
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2007 Jeep Green Limited 4.7 Flex Fuel, RR 2.5" 4 inch Superlift coils on rear, 1.5" Spacers, Bridgestone 265/70/17, K&N CAI, Flowmaster, Diamond Plate Locking Trunk, Blue Ox Baseplate w/D-rings, "Get Lost 4X4" Front Bumper, T-Max 9000 winch, "Get Lost rear tire carrier, 30 gal second gas tank.
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post #6 of 16 (permalink) Old 05-05-2008, 12:01 PM
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I think the difference in Jeep5253's 4.7 and HueyPilot's 4.7 is that Jeep still uses his plastic intake box where as Huey's is removed.





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post #7 of 16 (permalink) Old 05-08-2008, 10:44 PM
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Lets reverse the question - Can I use 4.7 CIA that goes straight to the throttle body on a 3.7??

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post #8 of 16 (permalink) Old 10-06-2009, 12:53 AM
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Quote:
Originally Posted by Command This. View Post
Lets reverse the question - Can I use 4.7 CIA that goes straight to the throttle body on a 3.7??
Let's also revive the dead to answer this question! I've been thinking about getting a CAI and while watching the few that have sold through here noticed that engine bays seem oh so similar between the 3.7 and the 4.7. So, can anyone say beyond doubt that a CAI for a 4.7 routed directly to the throttle body would not fit/work on the 3.7?
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post #9 of 16 (permalink) Old 10-06-2009, 01:01 AM
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What year is your Commander? Jeep has changed the 4.7L for the 2008 year and some CAI might be different between the two different 4.7L V8.

2006 Black 65th Anniversary Edition
3.7L V6
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post #10 of 16 (permalink) Old 10-06-2009, 01:09 AM
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Quote:
Originally Posted by bob123 View Post
What year is your Commander? Jeep has changed the 4.7L for the 2008 year and some CAI might be different between the two different 4.7L V8.
06 Black 65th Edition 3.7 V6.
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