F 150 Heritage 4WD Pickup V6-4.2L VIN 2 (2004)
Spark Plug: Application and ID
Spark Plug Type
Original (cylinder 1-3) .................................................................................................................................................................................. AGSF-34EG
Original (cylinder 4-6) ..................................................................................................................................................................................... AGSF-34E
Replacement (either side) .............................................................................................................................................................................. AGSF-34EE
