The 10 Best Coolant Dyes (2022 reviews)

Interdynamics offers a variety of dyes for personal choice and yet maintains quality in all the variants. The Interdynamics Coolant Dye is compatible with all types of antifreeze except gm dex-cool coolant. Contains one application of radiator/engine cooling system uv leak detection dye. Further, it found the leak and it is made worth the money.

Finally, the interdynamics coolant dye is made for good stuff and it works perfectly.

Almost all buyers found that the dye is compatible with all types of anti-freeze except gm dex-cool coolant. Further, a few also found that the dye is easy to see without needing UV light. To sum up, most buyers found the dye suits best, and no one questions it.

Customers say that getting a antifreeze coolant dye, along with dye is useful.

Top Customer Quotes:

This is designed to worth every penny, works well and it works as advertised.
This is great for detecting radiator leaks.
This saves money, saves time and it works fine.
This will show up in the tail pipe with UV light, especially at night.

Best For Oil: Nikauto Coolant Dye

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The Nikauto Coolant Dye's high-end materials make sure that it ages well with use. Further, it is environmentally friendly and it works well. Manufacturer says: 1Pcs automotive ac leak detecter 14led flashlight, 1pcs car air conditioner and protective glasseswe are an auto ac parts manufacturer,s We can offer so many kinds of it. Most importantly, the nikauto coolant dye found the leak and it is designed for high accuracy.

Almost all customers quickly discovered that the dye is great for diagnosis of a/c leaks when using UV dye in the system. In addition, they also found that the dye is used to find an a/c leak. Moreover, a few strongly agree that the dye is easy to use. In conclusion, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:

The leak detector flashlight has a wide range of applications.
These glass and flashlight detect the dye, not any gas.
New and hot releases.

Best For Any Other Engine Fluids: Realhunlee Coolant Dye

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The Realhunlee Coolant Dye is specially designed for your daily purpose and has all useful features. The realhunlee coolant dye found the leak, is affordable and it is durable. Make sure this fits by entering your model number. This car ac leak detection flashlight kit comes with a 100 % satisfaction guarantee.

The dye saves you money and it is good for long running time. And, the dye is brand new and it works well. Above all, the realhunlee coolant dye is a great helper for your life.

Most buyers found that the dye is great for the a/c system and any other engine fluids. Also, a few say that the dye is great for car job. And, they strongly agree that the dye comes with glasses but it isn't necessary to wear em. Overall, many have used the dye for more than a few months without any complaints, and it shows no sign of giving up.

Customers discovered that getting a uv dye kits for coolant leak and antifreeze coolant dye, along with dye is useful.

Top Customer Quotes:

This auto leak detector flashlight also covers larger areas without weakening the light.
The Manufacturer says: we will give you a satisfactory solution within 24 hours.
This works with all types of u*v leak detection dye.
This is great for the money, no problems at all.

Best For Smaller Leak: Mastercool Coolant Dye

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We would, of course, be remiss if we didn't mention Mastercool Coolant Dye for daily usage. The mastercool coolant dye provides true - intensity ultraviolet leak detection. Make sure this fits by entering your model number. Also, it protects the eyes from UV light.

The dye includes 1 oz bottle of engine oil/atf/gas and diesel fluorescent dye and a 1 oz bottle of engine coolant fluorescent dye. And, it is very accurate and it is suitable for smaller leak.s. Lastly, the mastercool coolant dye is great for good - quality buildings and it is compact.

Most customers opine that the dye includes several different dyes for the different systems. And, a few say that the dye can with dye for a/c motor oil transmission and coolant. And, they strongly agree that the dye is pretty straight - forward and has a usage label for each dye. Overall, buyers found this to be one of the best dyes for daily purposes.

Top Customer Quotes:

This found the leak, is made worth the money and it works for fuel.
It is easy to install dye into the lower side port.
Compact & lightweight to easily pinpoint leaks in an array of applications.
This is a great set and the price is below $60 bucks.

Best For Water Pumps: Tracer Coolant Dye

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Not everyone likes to purchase dye for their daily purpose, but the Tracer Coolant Dye would be an anomoly. The tracer coolant dye is great with great stuff and it is for water pumps. Using UV leak detection dye for all engine coolants and auto body leak checks. Further, the dye is great for a great price, is simple and it is great with fast shipment.

Above all, the tracer coolantdye works with any leak detection inspection lamp.

Almost all buyers agree that the dye can be used in low ambient light. And, a few also found that the dye makes troubleshooting leeks so much easier. And, a few strongly agree that if the dye is compatible with the fluid, you should be OK. Therefore, customers were eager to recommend it to friends and families.

Top Customer Quotes:

Finds leaks in radiators, hoses, water pumps and fittings.
Case of (6) 1 oz. Bottles for single billable service.
This has a water-soluble solution for detecting leaks of that liquid.
There is only one socket, not three.

Best For Finding Leaks: Genuine Gm Coolant Dye

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The Genuine Gm Coolant Dye should be able to handle its purpose and duties with ease. The genuine gm coolant dye leak free and it is simple. Make sure this fits by entering your model number. And, it is a safe, easy method that eliminates guesswork, saves labor and speeds service.

Finally, the genuine gm coolant dye is used to isolate power steering system leaks.

Almost all buyers opine that the dye 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, they also found that the dye can remain in the cooling system after a leak is found and corrected. Moreover, they say that this dye is very easy to work with, and incredibly bright. Overall, most customers agree that the dye is functionally comfortable and no one questions it.

Customers discovered that getting a antifreeze coolant dye and uv dye kits for coolant leak, with this dye made their life much easier.

Top Customer Quotes:

This is great for finding leaks.
This changed the pump and it is made for good stuff.
This is good for at least 4 cars.
It is easy to find the issue.

Best With Great Stuff: Acdelco Coolant Dye

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If you often find yourself confused about convenient and suitable dye, Acdelco coolantdye is your end point. The Acdelco coolant dye is the true general motor original equipment parts brand, infusing a century of experience, innovation and quality into more than 90, 000 gm oe and other parts. Acdelco coolant system fluorescent tracer dye can be used with dex-cool coolants, but it may change the color of the coolants. This fluorescent tracer dye quickly pinpoints the exact location of coolant fluid leaks.

The dye comes with visual leak detection to eliminate guess work. And, this is used to isolate power steering system leaks. Finally, the Acdelco Coolant Dye is a safe and easy method that helps eliminate guess work, save labor, and speed up service.

Almost all buyers agree that the dye is used for the cooling system test. And, a few strongly agree that the fluid is easy to see without light, but glows brightly under a black light. In conclusion, at the price, they believe that they got a steal of a deal with it.

Few customers bought antifreeze coolant dye and uv dye kits for coolant leak, along with the dye.

Why We Like This:

This is designed to quickly pinpoint leaks in traditional coolant systems.
Easy method of leak detection to save on labor and speed up service.
They found the leak and it is made with great stuff.

Best Light: General Motors Coolant Dye

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General Motors line of dye comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The General Motors Coolant Dye is designed to quickly pinpoint leaks in cooling systems that use dex-cool (orange) coolants. Make sure this fits by entering your model number. Further, it found the leak and it works well. Finally, the general motor coolant dye comes with visual leak detection to eliminate guess work.

"You could use this for many different diagnosis. " - says, one customer. Consequently, buyers were very happy to recommend it to friends and would-be buyers.

Customers found that buying a antifreeze coolant dye and uv dye kits for coolant leak, along with dye is useful.

Why We Like This:

special formula will not change the color of the coolant.
Good investment for the long term.

Best For High Accuracy: Leakfinder Coolant Dye

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The Leakfinder line of dyes comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Leakfinder Coolant Dye is great for automotive leak detection solutions and it is great for water pumps. Make sure this fits by entering your model number. And, the dye works with all leak detection flashlights, Each bottle services 1 vehicle.

Most importantly, the leakfinder coolant dye works as advertised and it is simple.

One customer says - "Helps you find where your coolant is leaking. ". Most customers find that the dye will react to UV light after you pour it in.

Customers say that buying a antifreeze coolant dye, along with dye is useful.

Why We Like This:

Let the UV fluorescent dye circulate throughout the vehicle system.
This comes with the host fluid and collects at all leak sites.
This is designed for high accuracy and it has multiple leaks.

Best For Uv Leak Detection Dye: Fjc Coolant Dye

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The Fjc line of dyes comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. In addition, it works for uv leak detection dye for radiator coolant,sss motor oil, fuel, transmissions, power steering and hydraulic fluid. Make sure this fits by entering your model number. Above all, the Fjc Coolant Dye comes with a strobe effect & adjustable focus.

Most buyers agree that the dye is used to quickly locate a very slow coolant leak.

Customers say that getting a antifreeze coolant dye and uv dye kits for coolant leak, along with dye is useful.

Why We Like This:

Led blue light with strobe effect & adjustable focus.
Lot of satisfied buyers.