Good morning,
The dealer parts are the best as they are original equipment for the truck. You do not need to use them as many of the aftermarket parts are just as good.
I attached a link to rock auto for the iridium plugs which are excellent.
https://www.rockauto.com/en/catalog/dodge,1992,dakota,3.9l+v6,1087512,ignition,spark+plug,7212
You can get the cap, rotor,wires there as well.
Roy
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Tuesday, January 8th, 2019 AT 5:46 AM