Hey folks! Welcome to the channel. In this video I show how to replace 2004 GMC Envoy spark plugs. I am using AC DELCO 41-103 spark plugs for this job. Be sure to leave a comment and hit the thumbs up!
Will My 2004 GMC Envoy Last 300,000 Miles
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ACDelco 41-103 Professional Iridium Spark Plug (6 Pack)
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