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  #1  
Old 12-02-2009, 05:11 PM
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spark plug replacement

oem or aftermarket for 3.7.... any opinions?
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  #2  
Old 12-02-2009, 05:11 PM
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Re: spark plug replacement

Oem. You may never know what another spark plug might do to our engine. It could ruin it. So I'd just go with OEM ones.
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  #3  
Old 12-02-2009, 05:13 PM
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Re: spark plug replacement

Stay with OEM's. All Mopar engines seems to go coo coo for cocoa puffs when aftermarket ones are installed. Thats not the case all the time, but most of the time it is.
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  #4  
Old 12-02-2009, 05:17 PM
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Re: spark plug replacement

ok cool thanks guys. scott also mentioned oem in another thread and i just wanted to see what the general census was. thanks!
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Old 12-02-2009, 05:21 PM
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Re: spark plug replacement

Irf, How many miles you have? You may not need it. Also, It could be included on the service warranty.
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  #6  
Old 12-02-2009, 05:25 PM
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Re: spark plug replacement

every 30k miles I believe is recommended
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  #7  
Old 12-02-2009, 05:30 PM
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Re: spark plug replacement

yeah i'm at 20k so i have time. but i just wanted to know for the future
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member of Black, Tri-State, 6 cylinder club 08 Brilliant Black Laredo (JG 3.7L Squad)- k+n 63-1545,magnaflow 10436,mygig(ren), HID's 6k lows, 6k+3k fogs,dual turn leds,led brows,v-led interior leds, cargo led strip, reverse hids, 92 led brake lights, tinted tails,custom powder coated mesh grill, srt sways, 15% tinted windows,illuminated visors,shorty antenna, HH Class III, cargo liner, thule snowboard rack,kayak rack, bike rack

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  #8  
Old 12-02-2009, 05:33 PM
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Re: spark plug replacement

I forget it this was answered already or not, but do you have to go to the dealership to buy these or can they be purchased at say, autozone?
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Old 12-02-2009, 05:35 PM
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Re: spark plug replacement

do you know what brand plugs the stockers are? The last plugs zI bought from a dealer were only like $1.69 each or something....
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  #10  
Old 12-02-2009, 06:08 PM
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Re: spark plug replacement

I will give them a call tomorrow and get a price check then, shouldn't be too bad at all. I know they're gonna try and convince me to let them do it and charge my ass off.. lol yeah right!
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Old 12-02-2009, 06:13 PM
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Re: spark plug replacement

the plugs are easy.....one bolt holding the coil on and you have access to the plug
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Old 12-02-2009, 06:15 PM
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Re: spark plug replacement

Quote:
Originally Posted by Chris View Post
I forget it this was answered already or not, but do you have to go to the dealership to buy these or can they be purchased at say, autozone?
Mopar OEM P/N SPZFR6F11G MSRP $3.70 each

NGK: ZFR6F-11G

You can shop around for the NGK's, but online + shipping you might not end up being too much cheaper than the Jeep dealer. Not sure if Autozone carries them.
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