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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: #349 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, bleedability, and quality of the product. They mention it works wonderfully, makes a messy job easy, and saves so much time. Customers also appreciate the versatility, anti-spill, and cleanliness. However, some customers have mixed opinions on the fit.
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Customers are satisfied with the functionality of the product. They mention it works wonderfully to burp out air and add coolant. Some say the red unit works for their engine. However, some customers have mixed opinions on its durability.
"...Everything was working flawlessly. It took approximately 20 minutes of refill before i couldn’t see any more bubbles...." Read more
"...It worked great! No spillage and it was easy to see when all the air had been purged from the system. Definitely worth it." Read more
"Works great" 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 bleedability of the product. They mention it makes a messy job easy and a necessary preventive maintenance task super easy to accomplish. Customers say it saves so much time and little to no mess using it. They also say it's a great tool and perfect everything you need.
"...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...." Read more
"...It makes a necessary preventive maintenance task super easy to accomplish. *..." 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
"Works excellent comes with all sizes to fit. Easy to use. Well recommended" Read more
Customers are satisfied with the quality of the product. They mention it's worth the money, solid, and will last for years to come.
"Super." 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
"Great product, easy to use." Read more
"...Great product for the DIY, or a shop as well. Would buy for sure again & recommend this 100%." 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.
"...This unit helps "burb" the cooling system. No more noise and constant heat. I did this to my wife's vehicle as well...." Read more
"...visually assess the color of the old coolant and the absence of air pockets in the system...." Read more
"This is pretty good for the price. Removed all the air out of my 2005 cummins. Recommend for anyone who works on vehicles" Read more
"This is the best tool to air the coolant out of your motor" Read more
Customers like the anti-spill feature of the product. They mention it works perfectly, is leak-proof, and water-tight under full operating conditions. They also say it saves them from spilling the antifreeze all the while properly venting the engine.
"...It worked great! No spillage and it was easy to see when all the air had been purged from the system. Definitely worth it." Read more
"Works as it says , no leaks ,no spills" Read more
"At first, I used it wrong and the system was leaking. Please review my pictures how to use it...." 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
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.
"...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
"As pictured. Comes with all the accessories. Perfect for venting my coolant system after maintenance" 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.
"...usefulness of this product, and definitely makes the job easier and much cleaner...." Read more
"perfect mess free radiator refill tool..." Read more
"...All the parts made the coolant change easy and less messy!" Read more
"...Get this. It will save so much mess, turns clean up to almost none...." 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.
"Used on a 2010 Toyota Venza - perfect fit using the Blue adapter that came with this kit...." 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
"...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 June 3, 2025Verified PurchaseI could not figure out why my cooling system had periodic noises and would not stay hot. Found out by watching a lot of videos that there was air in the system.
This unit helps "burb" the cooling system. No more noise and constant heat. I did this to my wife's vehicle as well. Now it is very quite in the cab.
Very worth the money spent.
- 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 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 June 17, 2025Verified PurchaseDecent
- 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 June 11, 2025Verified PurchaseI used on my car 2020 RAV4 Hybrid as first time to change engine coolant and inverter coolant nothing fancy but it’s worth it like to recommend this item.
- Reviewed in Canada on May 25, 2025Verified PurchaseThis is pretty good for the price. Removed all the air out of my 2005 cummins. Recommend for anyone who works on vehicles
- Reviewed in Canada on June 3, 2025Verified PurchaseWorks great
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
-
KittelReviewed in France on August 25, 2020
5.0 out of 5 stars Procédure de remplissage
Verified PurchaseVraiment très pratique et de bonne qualité
KittelProcédure de remplissage
Reviewed in France on August 25, 2020
Images in this review
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Mafer FReviewed in Mexico on December 16, 2023
5.0 out of 5 stars Bueno
Verified PurchaseTodo bien, viene como en la foto.
Mafer FBueno
Reviewed in Mexico on December 16, 2023
Images in this review