You are looking for glycol low silicateHmmm...check this out: https://www.amazon.com/Miles-Everco...eeze-Gallon/dp/B00YUL3N72#feature-bullets-btf
Green, does not say anything about "extended life", comes precharged with SCA, but you do have to add water.
EDIT: Nope, I was wrong. It does say "extended life" but doesn't really explain how or why.
Geeze, I think 319cssb has probably found the best stuff. The description clearly states "conventional" and "for older vehicles" as well as "light duty diesel applications."
All of the coolants I found on Wal-Mart's pages are ELC.