Check the Vehicle Emission Control Information ( VECI ) decal
located in the front of the engine compartment ( it will show
the type of spark plugs to use and the spark plug gap )
The Packaging. Autolite MAKES Motorcraft
Motorcraft AGSF-34EE
motorcraft and is oem
Check the Vehicle Emissions Control Information ( VECI ) decal located in the front of the engine compartment ( it will show what type of spark plugs to use and the spark plug gap )
the best spark plugs for all ford vehicles are the motorcraft type, which they come from ford.
Motorcraft Super
Make sure you are using Ford OEM (Motorcraft is not always OEM) Spark Plugs that are designed for you explorer.
MotorCraft
I used factory plugs MotorCraft...
Motorcraft is best for Ford
Ford uses Motorcraft Spark Plugs
Autolite plugs work pretty good but I found Motorcraft plugs to work the best