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HT1 is Autolite's only spark plug for your 2007 4.6L 3V.HT1 is a TWO PIECE design. Do a search.Unless the dealer used another plug such as the one piece HT15 they are mistaken.Either way, hope they used nickel anti sieze. Good luck.
HT1 is Autolite's only spark plug for your 2007 4.6L 3V.
HT1 is a TWO PIECE design. Do a search.
Unless the dealer used another plug such as the one piece HT15 they are mistaken.
Either way, hope they used nickel anti sieze. Good luck.
