Title: Not for Chrysler 4.7 Ltr
Product review: These were recommended by Amazon Garage for a 2006 Jeep Commander 4.7 Liter. I installed these and with in 1000 miles I started to receive check engine codes. I traced the problem to these plugs and found the electrodes worn back to the ceramic. They are not meant for this engine. I am still waiting on Amazon for a full refund. Damage to this engine can result. Use the Champion Plugs listed in the engine compartment.
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