Prestone Antifreeze & Coolant Tester
![Prestone Antifreeze & Coolant Tester](https://www.scnindustrial.com/images/large/a/auw345.jpg)
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Prestone Antifreeze Coolant Tester Hydrometer 6 Testers Inside Box
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Prestone ALL Coolant ANTIFREEZE TESTER Radiator HYDROMETER dex
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Prestone AF-1420 Antifreeze/Coolant Tester
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Prestone Antifreeze & Coolant Tester
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Prestone Coolant Tester: Is this any good? : r/MechanicAdvice
Backflushes cooling system to help prevent freezing and overheating, Works with all ethylene glycol coolants, Fits most cars and small trucks.
![](https://shop.advanceautoparts.com/wcsstore/CVWEB/staticproductimage/N3051/large/7690004_pek_pkf0ab_pri_larg.jpg)
Peak Antifreeze & Coolant Tester PKFOAB
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Prestone Antifreeze/Coolant Tester 1 pk
Recommended for all vehicles. Makes, models & years. Instantly protects against rust & corrosion. All vehicles concentrate. Cor-Guard technology - keep parts clean for longer engine life. Prestone Clean vs Ordinary Coolant: Corrosion & pitting. Engine water pump. ASTM part tested to 300 hrs / high stress test. 300,000 miles guarantee. Compatible with all coolants & colors.
![](https://i5.walmartimages.com/asr/9fc49143-a555-48da-a933-83b273bd3338_1.34e27c95b4ce447791c7f5e46359b653.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Prestone Antifreeze + Coolant, Concentrate - 1 gal (3.78 l)
![](https://m.media-amazon.com/images/I/718wrtH6t7L.jpg)
Prestone AF-1420 Antifreeze/Coolant Tester
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Prestone AF-1420 Antifreeze/Coolant Tester