Which Spark Plug Brand?
I am changing all 16 plugs on an S430 and I am wondering what brand. Auto parts store guy said NGK is O.E. so that or AC Delco would be fine (as he claimed NGK and AC Delco are the same).
What would you guys recommend? I pulled out Bosch plugs from it, but does it have to be Bosch plugs going back in?
What would you guys recommend? I pulled out Bosch plugs from it, but does it have to be Bosch plugs going back in?
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