Discussion in 'Lubrication & Maintenance' started by OldCracker29, Sep 18, 2016.
On my 2001 Suburban, I do remember when I first replaced my original factory spark plugs at about 70k miles or so, they were actually NGK plugs. I also remember reading somewhere that the AC Delco 41-110s were actually made by NGK. Last time I replaced my plugs, I didn't see the AC Delco iridiums listed on Rockauto so I ordered a set of NGK Iridium plugs. And for plug wires I am running a set of Belden plug wires from Napa, bought those around 2010 or so. They have a lifetime warranty, so I can just go swap em out whenever I need new ones.
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