1995 Isuzu Rodeo 3.2L V6

Plastic heater core pipe broken off, but for the most part, still intact.

Will insert a Dorman plastic hose pipe into the broken heater core pipe; then seal with a JB Weld product.

Dorman Products - 47081

Looks like the better choices would be as follows(traditional JB Weld does not adhere well to plastic as per their web site):

JB Weld PlasticWeld

JB Weld WaterWeld

Both are likely capable of sealing moisture(coolant) and withstanding it's heat.

homedepot.com touts JB Weld Kwik for such a project, yet I don't see a matching product description at the jbweld.com site. Seems like JB Weld Kwik is just a faster setting/curing version of their original product?

Which would you choose or would you think something else is better?

Thanks for your time.

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'91 300-SEL