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OEM spark plug(s) for 2001 Suburban 5.3L
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Question
JLeosnow
I picked up a set of spark plugs from the dealer today for our 2001 Suburban 1500(5.3L) and they gave me part# 41-985 / 12571164. I checked all of them out of the box for gap and they are all pre-set to .040. I looked under the hood on the emission decal and it does not list a part# for the plug used in this vehicle but they do provide a gap spec. of .060.
My question is...... A) Do I have the correct plugs for this vehicle? B) If yes, do I re-gap these plugs to .060 like the emission sticker suggests?
Thanks much,
-John
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