FORD 1998 Ranger - Manual (Page 147)

MOTORCRAFT PART NUMBERS
Component 2.5L I4 engine 3.0L V6 engine 4.0L V6 engine
Air filter FA-1616 FA-1616 FA-1616
Fuel filter FG-872 FG-872 FG-872
Battery BXT-58 BXT-58 BXT-58
Oil filter FL-400S FL-400S FL-1A
PCV valve EV-147 EV-130 EV-225
Spark plugs* AWSF-32F** AWSF-32PP*** AGSF-22PP***
* Refer to Vehicle Emissions Control Information (VECI) decal for
spark plug gap information.
** Two spark plugs per cylinder required (eight total)
*** If any spark plug needs to be removed for inspection, it must be
re-installed in the same cylinder. Cylinders No.1, 2 and 3 have a “PG”
suffix. Cylinders No. 4, 5 and 6 have a “P” suffix. If any spark plug
needs to be replaced, use only spark plugs with the service part
number suffix letters “PP” as shown on the engine decal.
Capacities and specifications
147