The gap should be 0.040".
The biggest factory installed engine in a 1998 Ram 1500 was a 5.9L V8.
The spark plugs should be gapped to .040 inch.
Champion # RC 12LC4 .040 inch gap
If from the same engine, yes.If from the same engine, yes.
It is on the passenger side, rear of the engine.
Lower driver side of the engine.
They are screwed into the engine at the ends of the spark plug wires.
ok
Yes
There wasn't a 1998 Dodge Ram 1500 diesel.
temp senser or spark coil