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Stealership says Champion double plat plugs are the oem, but said theyre only rated for 60k. But in my service manual it says change at 100k mile mark. Anyone know whats going on here, or was the guy just wrong? I thought the oem was NGK? I know alot of you dont have the base model, but anyone know the correct oem, or can confirm whats going on here?
 

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Google up a RE10PMC5 plug.

It's the stock Champion Platinum plug for the 2.7L per the factory service manual.

If you have ever had a leaky injector or some other combustion issue (excessive unburned hydrocarbons) no plug will last 100k.
 
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