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InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Leak Detection UV Dye for Cars and Radiators, 1 Oz

4.6 4.6 out of 5 stars 820 ratings

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Color Engine Cooling Systems UV Dye
Brand InterDynamics
Item Weight 1 Ounces

About this item

  • Contains one application of radiator/engine cooling system UV leak detection dye
  • Safe for use in all vehicle makes and models except 1996 and newer GM models that use DEX-COOL coolant
  • Compatible with all types of antifreeze except GM dex-cool coolant
  • Helps locate leaks
  • Professional grade
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InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Leak Detection UV Dye for Cars and Radiators, 1 Oz
InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Leak Detection UV Dye for Cars and Radiators, 1 Oz
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Price$9.99-44% $9.49
List:$16.95
$5.12-7% $14.02
List:$15.14
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Easy to use
4.6
4.6
4.7
Value for money
4.3
4.3
4.3
Sold By
Amazon.com
OverStockDirect
Amazon.com
Amazon.com
size
Universal
1 Ounce
1 Ounce
1 Ounce
number of items
1
1
1

Product Description

Certified A/C Pro Engine Cooling Systems UV Dye is an engine coolant UV dye for leak detection. Includes one application of radiator/engine cooling system UV leak detection dye. Safe for use in all vehicle makes and models (except 1996 and newer GM models that use DEX-COOL coolant). Compatible with all types of anti-freeze except GM DEX-COOL coolant.

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Warranty & Support

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InterDynamics Certified A/C Pro Car Air Conditioner Leak Detector Dye, Leak Detection UV Dye for Cars and Radiators, 1 Oz


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What's in the box

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    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    820 global ratings

    Customers say

    Customers like the performance, brightness, visibility and ease of use of the dye. For example, they mention it works great, it glows brightly in sunlight and is easy to see with a UV light. That said, opinions are mixed on leakage and color.

    AI-generated from the text of customer reviews

    71 customers mention68 positive3 negative

    Customers are satisfied with the performance of the dye. They say it's a great tool and totally worth the money. Customers also mention that it helps them find leaks and saves time and money.

    "...Easy to use and works great." Read more

    "This is totally worth the money, finding leaks was so easy to track down BOTH oil leaks and radiator fluid leaks on multiple cars...." Read more

    "This stuff really works! i have had a slow leak in my cooling system for awhile...." Read more

    "Worked perfect. After major engine repair I am still having antifreeze consumption...." Read more

    27 customers mention22 positive5 negative

    Customers like the brightness of the dye. They mention that it glows brightly in sunlight, making it easy to find leaks. Some say that the dye even fluoresces a bit in sunlight. Combined with a very strong LED black light, it makes the leak pretty obvious.

    "...You don’t need to, the black light makes it pretty obvious and doesn’t seem to degrade over time...." Read more

    "...in rather than the entire thing as recommended and it lit up like a Christmas tree!" Read more

    "...I kinda had an idea so that may have helped but the dye really glows bright! Take the guess work out of find a leak. Highly recommend" Read more

    "Wow this is bright. I used half a bottle or 1/2 ounce, I bet I could have used 1/4. Money well spent!..." Read more

    16 customers mention16 positive0 negative

    Customers find the dye easy to see with a UV light. They say it's definitely visible, and even fluoresces a bit in sunlight. Customers also mention that the dye shows up brightly under UV light and makes leak detection easy.

    "...It was unbelievably easy to see, a bright neon color...." Read more

    "...I figured I would only use about half and it was pretty bright and easy to see without needing UV light...." Read more

    "This stuff works great!! Easy to see with a UV light, making leak detection very easy...." Read more

    "...Shines very bright under UV" Read more

    15 customers mention15 positive0 negative

    Customers find the product easy to use. They mention it's a huge time saver, quick, and simple to pull and replace.

    "...I used this dye along with a UV light and found the leak quickly. Easy to use and works great." Read more

    "Easy to use, pour in and wait for your leak to show. I used half a bottle and was more than enough to show where my leak was...." Read more

    "This product was very easy to use and let me say a little goes a long way!..." Read more

    "One of the most useful and time saving tools that I have ever used !..." Read more

    12 customers mention12 positive0 negative

    Customers are satisfied with the quality of the dye. They mention that it works as advertised, is pretty impressive, and is potent. Some say that it's one of the most useful and time saving tools that they have ever used.

    "One of the most useful and time saving tools that I have ever used !..." Read more

    "Powerful stuff. Glows like crazy under UV light. I had no problem finding the leak with this dye added to the coolant...." Read more

    "...I'd recommend using less. Stuff is potent. Will buy again for sure!" Read more

    "...Thank God there was nothing in the exhaust. Good stuff, good shipping." Read more

    5 customers mention5 positive0 negative

    Customers like the cooling of the dye. They say it stays in their cars cooling system for a very long time, and it doesn't overheat at all. Customers also mention that it's excellent quality.

    "...Ive driven my truck as I always have and it doesn't overheat at all. Anyway I'll update if i ever get it cleaned out." Read more

    "...But this stuff out it up. Got a new radiator and no more coolant loss." Read more

    "...1/2 bottle most likely do the job. Also this stuff stays in your cars cooling system probably for a very long time I flushed my car like 7-8 times..." Read more

    "...it will light up like Chernobyl under a UV light and stays in your coolant system forever." Read more

    62 customers mention41 positive21 negative

    Customers are mixed about the leakage. Some mention that it's the best way to find leaks in your cooling system, while others say that it worked perfectly for detecting their coolant leak.

    "...I used this dye along with a UV light and found the leak quickly. Easy to use and works great." Read more

    "This is totally worth the money, finding leaks was so easy to track down BOTH oil leaks and radiator fluid leaks on multiple cars...." Read more

    "...The leak is in a very difficult to view area of the block and behind a heat shield, so I can't get a direct view of the precise place it is leaking..." Read more

    "...No sign of external leakage even after a few days, checking with a UV flashlight...." Read more

    11 customers mention6 positive5 negative

    Customers are mixed about the color of the product. Some mention that it's a good dye, it shows up bright and clear, and is easy to find the leak. However, others say that it colors everything in a poisonous yellow color and difficult to wash out.

    "...when i came back i checked every thing and no yellow dye!! I had gotten very lucky it wasnt something else...." Read more

    "...give it 5 stars, but my nice clean pink coolant turned to a murky green color...." Read more

    "...once I removed the coolant hoses and the head, the effective of this dye is quite evident...." Read more

    "...But let me tell you it will also dye your coolant green. Like, I mean it will be visibly green in daylight...." Read more

    Worked good, but discolored my pink toyota coolant
    4 Stars
    Worked good, but discolored my pink toyota coolant
    I bought this because my 2013 highlander had a small coolant leak and couldn't find it. I poured half the bottle in my radiator and after a week, I found the leak. In that respect, I would give it 5 stars, but my nice clean pink coolant turned to a murky green color. I don't know the effects this would have on my cooling system so I did a radiator drain and fill. For peace of mind.
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    4.0 out of 5 stars Worked good, but discolored my pink toyota coolant
    Reviewed in the United States on March 13, 2024
    I bought this because my 2013 highlander had a small coolant leak and couldn't find it. I poured half the bottle in my radiator and after a week, I found the leak. In that respect, I would give it 5 stars, but my nice clean pink coolant turned to a murky green color. I don't know the effects this would have on my cooling system so I did a radiator drain and fill. For peace of mind.
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