F 150 Super Crew 4WD V8-5.4L Prop SOHC VIN Z (2003)
Spark Plug: Application and ID
Item.....................................................................................................................................................................................................................Specification
Spark Plug-4.6L......................................................................................................................................................................................................AWSF-32P
Spark Plug-5.4L....................................................................................................................................................................................................AWSF-22W
Spark Plug-5.4L NGV........................................................................................................................................................................................AGSF-22FMI
Spark Plug-5.4L Supercharged Engines.............................................................................................................................................................AGSF-12FMI