![Amazon.com: 18 Pieces Radiator Pressure Pump Cooling System Car Leak Detector Tester Tool Water Tank Adapter Car Coolant Vacuum Cleaner Head Gasket : Automotive Amazon.com: 18 Pieces Radiator Pressure Pump Cooling System Car Leak Detector Tester Tool Water Tank Adapter Car Coolant Vacuum Cleaner Head Gasket : Automotive](https://m.media-amazon.com/images/I/61JTgba4cpL.jpg)
Amazon.com: 18 Pieces Radiator Pressure Pump Cooling System Car Leak Detector Tester Tool Water Tank Adapter Car Coolant Vacuum Cleaner Head Gasket : Automotive
![Refractometer Antifreeze Tester Coolant Tester Rha-701atc 5in1 Adblue Car Refractometer - Refractometers - AliExpress Refractometer Antifreeze Tester Coolant Tester Rha-701atc 5in1 Adblue Car Refractometer - Refractometers - AliExpress](https://ae01.alicdn.com/kf/H7b67436a588444718e550cf961522c6eq/Refractometer-Antifreeze-Tester-Coolant-Tester-RHA-701ATC-5IN1-Adblue-Car-Refractometer.jpg_.webp)
Refractometer Antifreeze Tester Coolant Tester Rha-701atc 5in1 Adblue Car Refractometer - Refractometers - AliExpress
![Amazon.com: Coolant Tester, Car Universal Battery Antifreeze Tester Antifreeze Density Rapid Tester Coolant Tester : Automotive Amazon.com: Coolant Tester, Car Universal Battery Antifreeze Tester Antifreeze Density Rapid Tester Coolant Tester : Automotive](https://m.media-amazon.com/images/I/61d7meaDqAL.jpg)
Amazon.com: Coolant Tester, Car Universal Battery Antifreeze Tester Antifreeze Density Rapid Tester Coolant Tester : Automotive
![31pcs Car Engine Coolant Pressure Tester Coolant Pressure Tester - Buy Vehicle Tools Coolant Pressure Tester For Testing Leaks In Automotive Cooling System,Coolant Pressure Tester Radiator Pressure Tester Coolant Pressure Tester Kit,Tools 31pcs Car Engine Coolant Pressure Tester Coolant Pressure Tester - Buy Vehicle Tools Coolant Pressure Tester For Testing Leaks In Automotive Cooling System,Coolant Pressure Tester Radiator Pressure Tester Coolant Pressure Tester Kit,Tools](http://sc04.alicdn.com/kf/S9b4100d180e94fc78974ab5a9f2304cdq.jpg)
31pcs Car Engine Coolant Pressure Tester Coolant Pressure Tester - Buy Vehicle Tools Coolant Pressure Tester For Testing Leaks In Automotive Cooling System,Coolant Pressure Tester Radiator Pressure Tester Coolant Pressure Tester Kit,Tools
![KIMISS Dial Type Coolant Tester, Rapid-test Anti-freeze Densitometer Coolant Tester Automotive Antifreeze Tester for Ethylene Glycol Coolant KIMISS Dial Type Coolant Tester, Rapid-test Anti-freeze Densitometer Coolant Tester Automotive Antifreeze Tester for Ethylene Glycol Coolant](https://images-na.ssl-images-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61JmIQurYTL._AC_UL210_SR210,210_.jpg)
KIMISS Dial Type Coolant Tester, Rapid-test Anti-freeze Densitometer Coolant Tester Automotive Antifreeze Tester for Ethylene Glycol Coolant
![Not sure what to make of this, this is a coolant tester. Since were in summer is this a good result? What is the yellow ball doing? : r/MechanicAdvice Not sure what to make of this, this is a coolant tester. Since were in summer is this a good result? What is the yellow ball doing? : r/MechanicAdvice](https://preview.redd.it/2y7wzo9e84631.jpg?auto=webp&s=73efe0d225ab29afef47b28513c791dc759f502c)