Spark Plugs

WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

SPARK PLUG SPECIFICATIONS

Application (Plug Type)	In. (mm)
3.9L V-6 (RC12ECC)	.039 (.98)
4.7L V-8 (RC12LC4)	.040 (1.01)
5.9L V-8 (RC12LC4)	.040 (1.01)