We consider a radiator leak detector dye to be a worthy investment in the long run. In the following post, we will help you to select the best radiator leak detector dyes.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Interdynamics Radiator Leak Detector Dye READ REVIEW

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

Best For Smaller Leak: Buy: Mastercool Radiator Leak Detector Dye READ REVIEW

Best For Tracking Down Leaks: Buy: Acdelco Uv Light READ REVIEW

Best For Coolant Leak: Buy: Genuine Gm Radiator Leak Detector Dye READ REVIEW

Best For Country Of Origin: Buy: Acdelco Radiator Leak Detector Dye READ REVIEW

Best Overall: Interdynamics Radiator Leak Detector Dye

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Interdynamics makes beautiful and outstanding dyes with classic and higher-grade materials. The Interdynamics Radiator Leak Detector Dye allows for professional grade and it has half a bottle. Contains one application of radiator/engine cooling system uv leak detection dye. And, it found the leak and it is designed to be worth every penny.

Most importantly, the interdynamics radiator leak detector dye works as advertised, provides great value and it works perfectly.

Almost all buyers agree that the detector is a hose that goes from the top of the radiator to the overflow tank. In addition, a few strongly agree that the detector has some special method of cleaning. And, they say that the detector will work in an ac system.

• It is easy to see without needing UV light.
• This is effective, saves time and it is simple.
• This has saved money and it has fixed leaks.
• This is easy to use and to find the source of the.

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

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The features department is where Interdynamics Uv Light truly manages to shine. The interdynamics UV light includes yellow tinted protective glasses. Make sure this fits by entering your model number. Also, it is real nice and it works as advertised.

The detector found the leak, is sturdy and it is worth the money. In addition, it is used for professional grade and it provides great value. Lastly, the interdynamics UV light works with all types of UV leak detection dye.

Almost all customers found that the detector is used to detect spiders. Further, they say that the detector is designed to be worn over prescription glasses. And, they say that the light is a bit finicky, but works about 50 % of the time.

• High-intensity true ultraviolet leak detection pen light.
• It is great to find the leak, half the price as autozone.
• The system needs floresent dye in a / c refrigerant, that allows you.
• This works well with coolant system dyes, etc.

Best For Smaller Leak: Mastercool Radiator Leak Detector Dye

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The Mastercool Radiator Leak Detector Dye is satisfactory and appropriate and fits well with your regular use. The mastercool radiator leakdetector dye runs the system, is good for good - quality buildings and it works for fuel. Make sure this fits by entering your model number. And, this is great for a great price, works for smaller leaks and it is compact.

Lastly, the mastercool radiatorleak detector dye protects eyes from UV light.

Almost all customers agree that the detector is a great set and the price is below $60 bucks. Moreover, they strongly agree that the dye can be used on automotive a/c systems, engine coolant,s oil, fuel and transmissions. And, a few strongly agree that the detector is great with the included dye to track down a massive oil leak. In short, at the price, they believe that they got a steal of a deal with it.

• Cartridge type dye injector with 10 applications of concentrated a/c dye.
• This is very useful and it needed a small repair.
• Compact & lightweight to easily pinpoint leaks in an array of applications.
• 12v (50w) mini uv light provides true - intensity ultraviolet leak detection.

Best For Tracking Down Leaks: Acdelco Uv Light

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Compared with other detectors in this category, the Acdelco Uv Light has a convenient design. The acdelco uv light is made with fast shipping and it is very useful. Make sure this fits by entering your model number. In addition, the detector is designed to quickly pinpoint leaks in cooling systems that use dex-cool (orange) coolants. Most importantly, the acdelco uv light comes with visual leak detection to eliminate guess work.

Almost all buyers quickly discovered that the dye will be in a spray can, so you can screw it in the lower side and spray it on to the system. Moreover, they strongly agree that the detector does stay in the system even after leaking. Also, a few say that the detector works with dexcool but should work with all.

• The oil in your car will fluoresce under UV light on its own.
• This is perfect when used with proper UV light.
• The bottle of dye and let the truck idle for 30 minutes.
• Works in conjunction with the acdelco ultra violet (uv) leak detection lamp kit.

Best For Coolant Leak: Genuine Gm Radiator Leak Detector Dye

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The best part: Genuine Gm Radiator Leak Detector Dye costs comparatively little and it is available to ship in 24 hours. The genuine gm radiator leak detectordye is used to isolate power steering system leaks. Make sure this fits by entering your model number. And, the detector is leak free and it is simple.

Lastly, the genuine gm radiatorleak detectordye changed the pump and it is made for good stuff.

Almost all buyers found that the detector is good for at least 4 cars. Also, a few strongly agree that the detector is a good idea to leave it in to be able to detect future leaks. Moreover, they say that this dye is very easy to work with, and incredibly bright.

• It is easy to find the issue.
• This is a safe, easy method that eliminates guesswork, saves labor and speeds service.
• This can remain in the cooling system after a leak is found and corrected.
• This is great for finding leaks.

Best For Country Of Origin: Acdelco Radiator Leak Detector Dye

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The Acdelco Radiator Leak Detector Dye is capable of outshining several other detectors featured in this list in overall features for the price point. The acdelco radiator leakdetector dye can be used with radiator, transmission, steering, or brake system leaks. Make sure this fits by entering your model number. Further, this includes UV enhancing glasses to assist with visual leak detection. Most importantly, the acdelco radiator leak detector dye provides UV light to detect fluid leaks when using a fluorescent dye.

• Delivers what they promise.
• One of the newcomers and featured product.