Best Spark Plugs for 04 TrailBlazer EXT LS
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Asked by MzLadyX Oct 14, 2014 at 06:48 AM about the 2004 Chevrolet Trailblazer EXT LS RWD

Question type: Maintenance & Repair

Is the AC Delco Iridium Spark Plug #41-103 the best one out there for the 04 TrailBlazer EXT LS? Is there others that are just as good?

3 Answers

FordNut answered 9 years ago

Tom is right. Iridium spark plugs are superior in life-span and performance

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Edgar answered 8 years ago

I have a 2004 trailblazer LT i will like to know what plugs are good for my motor 4.2 liter

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