The spark plug gap needed is for a 4cyl Dodge Caravan and not a grand caravan if it makes any difference. Thanks The answer to your question is printed in the owner's manual and is listed on a placard under the hood or on the radiator frame.
spark plug gap on your van is .048-.053
The spark plug gap is .050 inch.
.050 inch.
.040
.050 "
.050 in.
.050 inch
1.1 mm or about .042
1.1mm
.040 inch
The gap is .050
.050 inch