Anti-freeze Tester - Check It And Know It Won't Freeze 6.9L/7.3L, 9.0L, DT/DTA360, DT/DTA466, DT408/DT466P/I530P, DT466E/I530E model engine(s).
Catalog Number: 4P36
Ever wonder if you should change your anti-freeze.
Ever try to fix a freeze cracked engine block?
This tester should be in your tool box.
It has two scales to show freeze point of radiator solution and boiling point of summer coolant. Avoid winter freeze-ups and summer boil-overs. Tests all Permanent solutions.
Made in the USA
