The 10 Best Coolant Leak Detectors (2022 reviews)

coolant leak detectors
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It is important to have the best coolant leak detector. In the following post, we will help you to select the best coolant leak detectors.

Our review process:

Our Top Picks:

Best Overall:
Buy: Interdynamics Coolant Leak Detector
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Best For Coolant Leak:
Buy: Uview Coolant Leak Detector
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Best With You:
Buy: Acdelco Coolant Leak Detector
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Best For Any Other Engine Fluids:
Buy: Realhunlee Coolant Leak Detector
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Best For High Accuracy:
Buy: Nikauto Coolant Leak Detector
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Best With All Types Of Uv Leak Detection Dye:
Buy: Interdynamics Uv Light
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Best For Smaller Leak:
Buy: Mastercool Coolant Leak Detector
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Best For Tracking Down Leaks:
Buy: Acdelco Uv Light
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Best For Good Quality:
Buy: Genuine Gm Coolant Leak Detector
READ REVIEW

Best For Motor Engine Oil Leak With The Uv Dye:
Buy: Uvmonster Coolant Leak Detector
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Best Overall: Interdynamics Coolant Leak Detector

Interdynamics Coolant Leak Detector
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The Interdynamics coolant leak detector is the epitome of what a great detector should be. The Interdynamics Coolant Leak Detector is easy to detect and it is precise. Contains one application of radiator/engine cooling system uv leak detection dye. Further, the detector allows for professional grade and it has half a bottle.

The detector is compatible with all types of antifreeze except gm dex-cool coolant. Lastly, the interdynamics coolant leak detector found the leak and it is designed to be worth every penny.

Almost all customers agree that the detector has some special method of cleaning. Moreover, they strongly agree that the detector is probably the easiest way to find coolant leaks, especially combined with a radiator pressure test kit. And, a few strongly agree that the detector is compatible with that type of coolant, but it worked great. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This will show up in the tail pipe with UV light, especially at night.
  • This is effective, saves time and it is simple.
  • This is compatible with all types of anti-freeze except gm dex-cool coolant.
  • It is easy to see, a bright neon color.

Best For Coolant Leak: Uview Coolant Leak Detector

Uview Coolant Leak Detector
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Compared with other detectors in this category, the Uview Coolant Leak Detector has a convenient design. The uview coolant leak detector has followed the instructions and it is sturdy. A fast, economical and accurate method to test for combustion gas leaks. Also, it allows for a very good price, has bought the new gaskets and it is easy to understand.

Finally, the uview coolant leak detector is good for 16 applications.

Almost all customers opine that the detector works well as described. However, the plastic tubes crack over time. Also, a few strongly agree that the detector is easy to use and like a science experience. Further, they say that the detector is easy to use, very sensitive in detecting co2 emissions.

Top Customer Quotes:
  • This is used to prevent sucking coolant up and contaminating the test fluid.
  • This will last many years to add to that made in Ontario, Canada.
  • This is easy to figure, out this is for the smaller ones.
  • This has been in storage for two years and white smoke kept coming out of it.

Best With You: Acdelco Coolant Leak Detector

Acdelco Coolant Leak Detector
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The Acdelco Coolant Leak Detector should be able to handle its purpose and duties with ease. Multi-purpose dye can be used with gasoline and diesel engine oil, power steering fluid, and automatic transmission fluid. Moreover, the detector found the leak and it is effective. In conclusion, with a 4.6 rating and more than 4216 buyers, the acdelco coolant leak detector stands as the best choice.

Most buyers quickly discovered that the detector would work in any type of oil, ie. Further, they say that the detector is worth the extra cost compared to its competitors. Also, a few also found that the detector is easy to check the level in the pump now with a black light. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • Works in conjunction with the acdelco ultra violet (uv) leak detection lamp kit.
  • This will go away with oil changes.
  • This has a different one for antifreeze.
  • This is plenty strong and makes any leaks/cracks very easy to see.

Best For Any Other Engine Fluids: Realhunlee Coolant Leak Detector

Realhunlee Coolant Leak Detector
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If you often find yourself confused about the appropriate and satisfactory detector, Realhunlee Coolant Leak Detector should be your first option for buying. The realhunlee coolant leak detector is suitable for professional grade, is brand new and it is affordable. Car leak detector flashlight is premium aluminum construction with anti abrasive surface treatment, non-slip textured grip, lanyard useful either to wrap wrist or belt loop. This car ac leak detection flashlight kit comes with a 100 % satisfaction guarantee.

Most importantly, the realhunlee coolantleak detector found the leak, provides great value and it is good for long running time.

Almost all customers opine that the detector is great for the a/c system and any other engine fluids. Moreover, they say that the detector is great for car ac job. Moreover, a few strongly agree that the detector comes with glasses but it isn't necessary to wear them. In conclusion, the tone of buyers is very positive and we believe that the detector suits the purpose.

Top Customer Quotes:
  • The Manufacturer says: we will give you a satisfactory solution within 24 hours.
  • Refund or replacement if there is any problem with your flashlight.
  • Help you to save thousands of dollars, efforts and time.
  • This is great for the money, no problems at all.

Best For High Accuracy: Nikauto Coolant Leak Detector

Nikauto Coolant Leak Detector
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The Nikauto Coolant Leak Detector is capable of outshining several other detectors featured in this list in overall features for the price point. The leak detector flashlight has a wide range of applications. Further, the detector is effective, is affordable and it is environmentally friendly. In short, with a 4.5 rating and more than 7616 buyers, the nikauto coolant leakdetector stands as the best choice.

Most buyers found that the detector is used to find an a/c leak. In addition, they strongly agree that the detector is easy to use. Moreover, a few say that these glasses and flashlight detect the dye, not any gas. In conclusion, for almost all customers, it was what they were looking for.

Top Customer Quotes:
  • This is great for diagnosis of a/c leaks when using UV dye in the system.
  • The leak detector flashlight has a wide range of applications.
  • Good brand reputation.

Best With All Types Of Uv Leak Detection Dye: Interdynamics Uv Light

Interdynamics Uv Light
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If you often find yourself scrambling for a convenient and suitable detector, interdynamics UV light should be your first option for buying. The interdynamics UV light found the leak and it is really nice. Make sure this fits by entering your model number. In addition, the detector works as advertised, provides great value and it is sturdy.

Lastly, the interdynamics UV light includes yellow tinted protective glasses.

Almost all customers agree that the detector works well with coolant system dyes, etc. Further, a few say that the detector is designed to be worn over prescription glasses. And, they also found that the light is n't all that bright but it works well for how much it costs. As a result, customers were eager to recommend it to friends and would-be buyers.

Top Customer Quotes:
  • The light is a bit finicky, works about 50 % of the time.
  • This is perfect for professional grade and it is worth the money.
  • This is suitable for light good and it works fine.
  • This is used to detect spiders.

Best For Smaller Leak: Mastercool Coolant Leak Detector

Mastercool Coolant Leak Detector
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We would, of course, be remiss if we didn't mention Mastercool Coolant Leak Detector for daily usage. The mastercool coolant leak detector protects eyes from UV light. Make sure this fits by entering your model number. Moreover, it has run the system and it is very accurate.

The detector is affordable and it is compact. Most importantly, the mastercool coolant leak detector is very useful and it works for fuel.

Almost all buyers opine that the detector is easy to use and the light is more than bright enough. In addition, a few say that the detector is great with the included dye to track down a massive oil leak. Moreover, a few say that the dye container is emptied into a reservoir, like the power steering fluid reservoir, coolant reservoir / radiator, brake reservoir etc. Overall, many customers have used the mastercool coolantleak detector for more than a few months without any complaints, and it shows no sign of giving up.

Top Customer Quotes:
  • It is easy to install dye into the lower side port.
  • This is pretty straight forward and has a usage label for each dye.
  • 12v (50w) mini uv light provides true - intensity ultraviolet leak detection.
  • This is a great set and the price is below $60 bucks.

Best For Tracking Down Leaks: Acdelco Uv Light

Acdelco Uv Light
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We would, of course, be remiss if we didn't mention Acdelco Uv Light for regular usage. The Acdelco UV light comes with visual leak detection to eliminate guess work. Make sure this fits by entering your model number. And, it is designed to quickly pinpoint leaks in cooling systems that use dex-cool (orange) coolants. Above all, the acdelco uv light would be perfect with fast shipping and it is very useful.

Almost all buyers quickly discovered that the detector works with dexcool but should work with all. Further, they strongly agree that the detector is great for tracking down leaks in hard to spot places like cylinder heads and coolant crossover pipes. Also, a few strongly agree that the bottle of dye and let the truck idle for 30 minutes.

Top Customer Quotes:
  • Works in conjunction with the acdelco ultra violet (uv) leak detection lamp kit.
  • This does not discolor dexcool anti-freeze.
  • This does stay in the system even after leaking.
  • The oil in your car will fluoresce under UV light on its own.

Best For Good Quality: Genuine Gm Coolant Leak Detector

Genuine Gm Coolant Leak Detector
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The Genuine Gm Coolant Leak Detector's high-end materials make sure that it ages well with use. The genuine gm coolant leakdetector leak free, changed the pump and it is simple. Make sure this fits by entering your model number. Also, the detector is a safe, easy method that eliminates guesswork, saves labor and speeds service. Lastly, the genuine gm coolant leak detector is used to isolate power steering system leaks.

Almost all customers found that the detector is easy to find the issue. And, a few say that the detector is of specific chemical and or color composition to use with the dex cool cooling system and also the color that that fluid has. Also, a few also found that this dye is very easy to work with, and incredibly bright. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • This is good for at least 4 cars.
  • This can remain in the cooling system after a leak is found and corrected.
  • This is great for finding leaks.

Best For Motor Engine Oil Leak With The Uv Dye: Uvmonster Coolant Leak Detector

Uvmonster Coolant Leak Detector
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Next on the list, we've got yet another detector that manages to win our hearts. It's the Uvmonster Coolant Leak Detector and it's widely considered as the detector that has the most suitable features. The uvmonster coolant leak detector is brand new, has save your money and it is light is strong. Help you to save thousands of dollars, efforts and time. This car ac leak detection flashlight kit comes with a 100 % satisfaction service.

The detector works with all types of uv leak detection dye. Lastly, the uvmonster coolant leak detector is effective and it provides great value.

Almost all buyers found that the detector is great for the motor engine oil leak with the uv dye. In addition, they strongly agree that the detector is used for ac leak in Mercedes. And, they strongly agree that the detector is easy to use and find that pesky little leak. In short, buyers found this to be one of the best detectors for daily purposes.

Why We Like This:
  • Help you inspect the leak stains in seconds.
  • This is a great helper for your life.
  • Provide better after-sales service and longer product protection which up to 1 year.
  • This is perfect for professional grade and it is good for long running time.