tomb57 Posted November 24, 2011 Share Posted November 24, 2011 Thinking about changing plugs at 118,000 miles and found NGK IFR6A11 in it. No stores can find that plug in there listing. Does anybody know what the correct OE plug should be? Quote Link to comment Share on other sites More sharing options...
Filehorse Posted November 24, 2011 Share Posted November 24, 2011 The gospel according to NGK: NGK Spark Plug Recommendations The plug you pulled out is no longer available. There are multiple alternatives as shown in the chart from the link above. Quote Link to comment Share on other sites More sharing options...
tomb57 Posted November 24, 2011 Author Share Posted November 24, 2011 Thanks for the quick response, that's what I needed to know. I went to Auto Zone and bought the Iridium IX no. 3764. I assume as long as it's Iridium I don't have to go to the next step up Iridium. Quote Link to comment Share on other sites More sharing options...
Filehorse Posted November 24, 2011 Share Posted November 24, 2011 I'd say you'll be good for another 100,000 miles. Quote Link to comment Share on other sites More sharing options...
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