




🧊 Stay cool, stay protected — test like a pro!
The Prestone AF-1420 Antifreeze/Coolant Tester is a precision, easy-to-use tool designed for quick visual and concentration testing of vehicle coolant. It helps detect rust and sediment while ensuring optimal antifreeze levels to protect engines from freezing and overheating. Lightweight and machined for durability, it’s a must-have for proactive vehicle maintenance.
| ASIN | B000BOA9RY |
| Brand | Prestone |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,714) |
| Date First Available | 16 Aug. 2012 |
| Exterior | Machined |
| Item Weight | 84.9 g |
| Item model number | AF-1420 |
| Manufacturer | Prestone |
| Manufacturer part number | AF1420 |
| Model | AF1420 |
| Product Dimensions | 17.78 x 12.7 x 2.54 cm; 85.05 g |
T**Y
Antifreeze test tool.
Does what it's supposed to do... an easy to use tester..that anyone can use..
S**E
Great for winter
Handy little tool, useful if buying a second hand car and don't know the state of the coolant
D**O
works well
working so far time will tell
J**E
Five Stars
Good quality
M**D
Five Stars
cool
A**E
IT WORKS
just the job, does what it says on the tin. Perfect.
S**N
Works great, and for a good price relative to others. Takes just a little practice to get it full by squeezing the bulb--no big deal. Highly recommend.
D**L
I bought this to check the coolant in my marine engine, where leaks could have diluted the coolant and negated its protective effect. Easy to use: pump a little coolant using the attached hand-pump, and read off the level of protection based on the density of the coolant. Reliable, simple, no electronics needed, and reusable. Really a neat tool to have in colder climates, and when you don't know if your coolant was ever diluted with water.
H**K
Not..
M**P
Suitable price, effective device, and reliable.
A**I
Tested on radiator successfully, it’s works perfectly
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