I have a '95 base Caravan 3.0 and a severely rusted brake line burst. The old &/or new line stripped out the box where 4 brake lines come from and is located on the driver's side about in the middle of the van. What is this box called & where do I get one? The dealer doesn't have them anymore & my auto parts store that supplies the local shops told me they can't get it. The brake line was able to thread the majority of the way into the box's hole though it just spins freely now. It's tight enough so fluid leaks out between the fitting and brake line though under brake pressure it looses a significant amount of fluid and is not drivable. Any advice is appreciate.

 

Welcome to DF
The junction block as you called it, maybe call a Proportioning valve. It would have 4 brake lines going into the valve.