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EPAuto Spill Proof Radiator Coolant Filling Funnel Kit
Purchase options and add-ons
Material | Plastic |
Brand | EPAUTO |
Colour | Green|beige|black|orange|white |
Capacity | 60 Fluid Ounces |
UPC | 690443851873 |
Manufacturer | EPAuto |
About this item
- Allows color matching of caps for dedicated adapters.
- Cooling System fill kit prevents spills and trapped air. Trapped air pockets may cause erratic cooling system and heater performance.
- 5” Extension Bar and 45° Elbow allow access to caps under shrouds or at an angle.
- USPTO Patent No: US10519019B2.
Product details
- Is discontinued by manufacturer : No
- Parcel Dimensions : 19.8 x 18.11 x 17.91 cm; 422 g
- Date First Available : Sept. 20 2016
- Manufacturer : EPAuto
- ASIN : B01I40ZQWE
- Item model number : AQ-001-1
- 鶹 Rank: #316 in Automotive (See Top 100 in Automotive)
- Customer Reviews:
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Product Description


Product Description
Warning: Do not open cap if radiator is hot! Hot fluid can erupt and cause burns.
Package Includes:
- Lid Funnel 45 Degree Elbow x 2 Fluid Stopper 5 inches Straight Extension Large Cap A Medium Cap B Small Cap C Threaded Cap D Large Adapter A with Gasket Medium Adapter B with Gasket Small Adapter C with Gasket Threaded Cap Adapter D with Gasket for GM Threaded Cap Adapter E with Gasket for Ford...

About this item
- Allows color matching of caps for dedicated adapters.
- Cooling System fill kit prevents spills and trapped air. Trapped air pockets may cause erratic cooling system and heater performance.
- 5” Extension Bar and 45° Elbow allow access to caps under shrouds or at an angle.
- USPTO Patent No: US10519019B2
Brands in this category on 鶹
Customer reviews
Customers say
Customers like the functionality, ease of use, and quality of the product. They mention it works great, makes a messy job easy, and is of good quality. Customers also appreciate the leak-proof design, versatility, and cleanliness. However, some customers disagree on the fit.
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Customers are satisfied with the functionality of the product. They mention it works great and is a good and useful product.
"Works great" Read more
"Many selection of adaptors. Works well." Read more
"Worked great, was very helpful." Read more
"Works good. Wouldnt fit in my radiator because the collar was too deep (99 subaru legacy) but fit in the engine block resevoir so it was ok." Read more
Customers like the ease of use of the product. They mention it makes a messy job easy, is a no-mess process, and makes it very easy to pour in new coolant. Customers also say it's a great tool and perfect everything they need.
"Great product, easy to use." Read more
"Works excellent comes with all sizes to fit. Easy to use. Well recommended" Read more
"...Now it's gone completely. Great tool, may be not suitable for every car, but I was happy to buy it and use it...." Read more
"Very easy to use, convenient storage" Read more
Customers are satisfied with the quality of the product. They mention it's solid, works perfectly, and will last for years to come.
"Great product, easy to use." Read more
"Good quality, worth getting the setup as the base doesn't leak and it's easier to put the plug in to take it off...." Read more
"Made the coolant job very easy, with pretty much no mess. Good product." Read more
"Excellent product and very helpful" Read more
Customers like the funnel for its ability to remove air from the cooling system without any leaking. They mention it properly vents and fills the system, keeps the excess coolant in the funnel by inserting the included T, and is ideal for cars that trap air in the system. Customers also say it makes the coolant job very easy.
"...My coolant system is now air free! One hiccup... the attachment for my radiator was a little loose...." Read more
"Good product makes changing coolant much easier and no mess easy to get air out of system All for a good price" Read more
"...visually assess the color of the old coolant and the absence of air pockets in the system...." Read more
"Works slick! Makes burping air out of cooling system very easy and no mess or spills." Read more
Customers like that the funnel is leak-proof. They mention it makes filling the radiator easy without spills or drips to clean up. Customers also say it goes in clean and water-tight under full operating conditions.
"Works as it says , no leaks ,no spills" Read more
"...Wished I had this many years and vehicles before now. No spills, lets the bubbles come out with overflowing...." Read more
"Nissan adapter leaks, I could only use it as a funnel...." Read more
"Work great I only use one time but so far no spills and the quality look there" Read more
Customers like the versatility of the product. They mention it comes with a variety of adapters and fittings for different makes of cars. They also say it's a universal tool.
"Great kit!" Read more
"...The many different caps and extenders make me feel like it'd work with most vehicles." Read more
"...Worth every penny in time and messes it saves. Comes with many rad adaptors to fit most cars." Read more
"...There was also an adapter included that fit my wife’s car...." Read more
Customers like the cleanliness of the product. They mention it makes the process a lot cleaner and easier to transfer fluid. Customers also say it keeps the mess off the shop floor and vehicle. They also say it's helpful on hard to purge systems like minivans.
"...So easy , no mess. Wish I bought it sooner. Works great." Read more
"...Easy to plug and put excess liquid back in the container. No mess. Fits all five of my cars rad caps and reservoirs." Read more
"...All the parts made the coolant change easy and less messy!" Read more
"...usefulness of this product, and definitely makes the job easier and much cleaner...." Read more
Customers have mixed opinions about the fit of the product. Some mention it fits their application, while others say it wouldn't fit their car. Some also say the assorted rad caps fit almost all vehicles and no leaks.
"Perfect and affordable..." Read more
"Some caps doesn't fit 100% i needed to modify couple of them, rest is great." Read more
"...Yaris 2012. The blue metal cap and blue adapter were simply a solid snug fit on that car...." Read more
"...The many different caps and extenders make me feel like it'd work with most vehicles." Read more
Reviews with images

Very good product!
Top reviews from Canada
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- Reviewed in Canada on August 3, 2024Verified PurchaseThis tool got delivered to the wrong adress in the first place by the delivery company. I got a full refund from 鶹. Luckily for me, an honest neighbor brought it back to me the next day. I felt like i needed to give an honest review about the product at the very least. I did try it on a 2020 Mazda CX5 with the atmospheric 2.5 liters engine. The tool needed an extra 2 o’rings on the blue adapter in order to fit snuggly in the green radiator cap adapter. I managed to drain most of the coolant by gravity, not by disconnecting any hoses. The included funnel made it very easy to pour in new «Blue» Mazda coolant. With the engine running, it took about 20 minutes for the engine to warm-up and make sure that no more bubbles would show up in the funnel. I was using before that a vacuum coolant refill device. I found that this last device is way faster then the funnel technique and waste a lot less fuel doing so. However, i prefer the funnel technique because i can visually assess the color of the old coolant and the absence of air pockets in the system. This way i am more then satisfied when the process is over that no air pockets are living inside my cooling system. I will update this review with other vehicle in the near future and pictures. Please let me know if this review is useful for any of you out there wrenching on heir own vehicles.
*UPDATE*
I did another car as of today, August 17th 2024. Yaris 2012. The blue metal cap and blue adapter were simply a solid snug fit on that car. It took me approximately 20 minutes to refill the cooling system with engine running. I have the front of the car lifted on ramps. This way, the highest point will be the coolant funnel included with this tool. (Air bubbles will always tend to migrate at the highest point). I only have good words for this tool. It makes a necessary preventive maintenance task super easy to accomplish.
*Update 2; December 2024, i used this kit with the green adapters to refill a 2010 Ford Focus. Everything was working flawlessly. It took approximately 20 minutes of refill before i couldn’t see any more bubbles. I believe this will work as good on some more recent Ford Transit.*
This tool got delivered to the wrong adress in the first place by the delivery company. I got a full refund from 鶹. Luckily for me, an honest neighbor brought it back to me the next day. I felt like i needed to give an honest review about the product at the very least. I did try it on a 2020 Mazda CX5 with the atmospheric 2.5 liters engine. The tool needed an extra 2 o’rings on the blue adapter in order to fit snuggly in the green radiator cap adapter. I managed to drain most of the coolant by gravity, not by disconnecting any hoses. The included funnel made it very easy to pour in new «Blue» Mazda coolant. With the engine running, it took about 20 minutes for the engine to warm-up and make sure that no more bubbles would show up in the funnel. I was using before that a vacuum coolant refill device. I found that this last device is way faster then the funnel technique and waste a lot less fuel doing so. However, i prefer the funnel technique because i can visually assess the color of the old coolant and the absence of air pockets in the system. This way i am more then satisfied when the process is over that no air pockets are living inside my cooling system. I will update this review with other vehicle in the near future and pictures. Please let me know if this review is useful for any of you out there wrenching on heir own vehicles.
*UPDATE*
I did another car as of today, August 17th 2024. Yaris 2012. The blue metal cap and blue adapter were simply a solid snug fit on that car. It took me approximately 20 minutes to refill the cooling system with engine running. I have the front of the car lifted on ramps. This way, the highest point will be the coolant funnel included with this tool. (Air bubbles will always tend to migrate at the highest point). I only have good words for this tool. It makes a necessary preventive maintenance task super easy to accomplish.
*Update 2; December 2024, i used this kit with the green adapters to refill a 2010 Ford Focus. Everything was working flawlessly. It took approximately 20 minutes of refill before i couldn’t see any more bubbles. I believe this will work as good on some more recent Ford Transit.*
Images in this review
- Reviewed in Canada on July 5, 2025Verified PurchaseWorks slick! Makes burping air out of cooling system very easy and no mess or spills.
- Reviewed in Canada on June 5, 2025Verified PurchaseArrived quickly. After replacing my radiator and water pump I was hoping this would make the coolant refilling less hassle. It worked great! No spillage and it was easy to see when all the air had been purged from the system. Definitely worth it.
- Reviewed in Canada on May 25, 2025Verified PurchaseWorks good. Wouldnt fit in my radiator because the collar was too deep (99 subaru legacy) but fit in the engine block resevoir so it was ok.
- Reviewed in Canada on April 22, 2025Verified PurchaseGood quality, worth getting the setup as the base doesn't leak and it's easier to put the plug in to take it off. The many different caps and extenders make me feel like it'd work with most vehicles.
- Reviewed in Canada on April 27, 2025Verified PurchaseWorked great, was very helpful.
- Reviewed in Canada on May 28, 2025Verified PurchaseUsed on a 2010 Toyota Venza - perfect fit using the Blue adapter that came with this kit. Only have used this once but am impressed by the simplicity and usefulness of this product, and definitely makes the job easier and much cleaner. Obviously there are some plastic components so take care to not overload the funnel and put too much stress on the spout/neck of the funnel
- Reviewed in Canada on July 5, 2025Verified PurchaseBest and easiest way to change your coolant and remove air in your cooling system
Top reviews from other countries
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Abdulrahman Al JALLAFReviewed in the United Arab Emirates on July 6, 2023
5.0 out of 5 stars منتج ممتاز
Verified Purchaseممتاز جداً ويناسب اغلب انواع الراديترات
- fredReviewed in the United States on July 1, 2025
5.0 out of 5 stars No mess an worked like it should, awesome product.
Verified PurchaseWorked great, well worth the money and the different pieces really made this easy to use and the quality seems to be there. It had a little drip from the connector but nothing crazy.