Dakota R/T owners

Mine has 169,000 and is doing fine.

Sorry, no help on intake.

Are you replacing it or just resealing?

Are you installing a "turtle"?

I've also had H2O pump issues - fifth one, plus idler pulley- sixth one, and on my second radiator.

Does your heater core still work?

Do yourself a favor if you haven't already, and install a metal filler cap "T".

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One of the plastic ones that comes semi-permanently attached in an upper hose assy cracked on me and scalded the hell out of my arm.

If you do this, the individual upper hose segments are cheaper to replace.
(around $12 ea vs $50 for the assy)

Check your overflow reservoir. Mine recently cracked just above the inlet/outlet.
This caused there to be no water available to go back into the rad when it needed it.