10 Best Coolant Vacuum Refill Kit of 2025

Tested and Reviewed: Top 10 Coolant Vacuum Refill Kit deals with expert ratings from 8.1 to a perfect 10

May 2025 Edition

Editor's Choice

9.7

Mishimoto

Mishimoto MMTL-CPT-28 Coolant Pressure Tester and Vacuum Refill Kit, 28-Piece Universal Fit, Black

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Editor's bottom line:

“This coolant vacuum refill kit is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Allows you to quickly and easily diagnose leaks and other cooling system issues.Fit Type: Universal
Includes 17color-coded adapters and 3 test caps to fit most import and domestic vehicles
Includes vacuum purge and refill tools to prevent air intrusion and eliminate cooling system bleeding time
Working pressure of 0-35 psi
Mishimoto Lifetime Warranty

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Picked by 213 people today

9.5

Save 27%

UView

UView 550000 Airlift Cooling System Leak Checker and Airlock Purge Tool Kit, OEM Approved, Universal Connectors, Minimum 90 PSI/60 Bar, Used for Leak Detection, Purging Airlocks, A/C System Refill

27% Off

Main Highlights

FAST & EFFICIENT REFILLS: Made in the USA, this high-performance tool rapidly fills the entire cooling system, including hard-to-reach areas like the heater core, ensuring thorough fluid distribution to save time and prevent missed spots in the process
AIRLOCK PREVENTION: Effectively removes air pockets that can lead to engine overheating and compromised performance, helping maintain smooth, uninterrupted coolant flow and keeping your engine operating at optimal temperature. Includes a 1-year warranty for added peace of mind
VACUUM LEAK DETECTION: Creates a vacuum to identify leaks instantly, allowing for precise repairs that prevent long-term engine damage. This tool is invaluable for maintaining a secure, reliable cooling system without undetected issues
BROAD VEHICLE COMPATIBILITY: Perfectly suited for cars, trucks, and off-road vehicles, this kit adapts to a wide range of vehicle types, making it ideal for any workshop or garage looking for an all-in-one cooling system solution
MADE IN USA AND OEM-CERTIFIED: Backed by Original Equipment Manufacturer standards, this tool meets rigorous reliability and performance benchmarks, ensuring it seamlessly integrates with your vehicles cooling system for dependable results. Made in the USA and comes with a 1-year warranty for quality assurance
Airlift eliminates problematic airlocks in today's automobile cooling systems
Utilizing shop air, the technician can perform a leak test, eliminate airlocks and refill the entire system including the heater core in less than two minutes
OEM approved. Works on: Cars, Trucks & Off Road Vehicles

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9.5

OEMTOOLS

OEMTOOLS 24444 Coolant System Refiller Kit, 5 Adapters, Eliminate Trapped Air, Test Radiator and Heating Core Lines for Leaks, Vacuum Fill Coolant Tool, Vacuum Leak Tester, Multi

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Main Highlights

Quick Coolant Refills: Quickly and easily refill your cooling system with the OEMTOOLS 24444 without the risk of trapped air. This radiator vacuum fill kit eliminates air pockets and reduces the risk of engine overheating.
Vacuum Leak Testing: Perform efficient vacuum leak tests with this cooling system pressure tester kit. Ensure your system is airtight before refilling, helping you detect hidden issues before they cause major problems.
Universal Adapter Fit: The coolant vacuum filler features a universal adapter that fits most radiator and coolant bottle necks, making it a versatile choice for multiple vehicle types with no custom adapters needed.
Versatile Bushing Options: This radiator vacuum tool and refill kit includes 5 additional bushings and a tapered cone adapter to work with a wide range of cooling systems, adding flexibility for different vehicles.
Durable Storage Case: Keep all components secure with the included sturdy storage case, making transport and organization simple and convenient for both professional mechanics and DIY enthusiasts.

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9.2

BILITOOLS

BILITOOLS Radiator Coolant Pressure Tester & Vacuum Refill Kit, 28-Piece Universal Cooling System Radiator Leak Tester & Refiller

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Main Highlights

A comprehensive coolant system pressure test & refill kit locates system leaks from header and expansion tanks and fittings, head gasket, radiator core, heater matrix, water pump, hoses and pipes, and is designed for refilling radiators with coolant without introducing air pockets.
The hand operated pressure pump and vacuum refiller is fitted with an accurate and easy to read gauge marked in both psi and bar. A add on thermometer is designed to aid diagnostics and also ensure the system is cool before removing the cap.
Features a upgraded metal valve, offering much better durability and performance over traditional rubber valves. This innovative design ensures a quick, efficient refill process, preventing engine overheating and maximizing vehicle performance.
The different colors on each test cap will help operators working much more efficiently to choose suitable cap and work.
17 Pieces color coded test caps are designed for testing cooling systems on most domestic and import vehicles. Is compatible with Mercedes-Benz, GM, Jeep, Peugeot, Subaru, Chrysler, Acura, Mitsubishi, Nissan, Mazda, Toyota, Infiniti, Geo, Suzuki, Isuzu, Honda, Lexus, Volvo, Saab, Citroen, Renault, Fiat, Alfa, Mini Cooper, VW, BMW, Ford, Opel, Porsche, Audi, etc.

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9.0

Orion Motor Tech

Orion Motor Tech Coolant Pressure Tester Kit, 31pc Master Coolant Vacuum Refill Kit with 23 Radiator Adapters, Radiator Cooling System Pressure Tester Kit with Vacuum Pump Vacuum Purge & Refill Tool

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Main Highlights

Comprehensive Tool Set: Orion Motor Tech's 31 pcs coolant pressure tester kit includes 22 adapters, a universal adapter, a vacuum pump, a vacuum purge & refill tool, a probe thermometer, a wrench, EU & US air intake joints, O-rings, and hoses
Versatile Application: This cooling system pressure tester kit identifies leaks from the header and expansion tanks, head gasket, radiator core, heater matrix, and water pump & pipes, and ensures air pocket-free coolant refilling for radiators
23 Adapters for Most Cars: With 23 different radiator adapters, this coolant pressure tester kit is compatible with numerous vehicle makes and models such as BMW, Ford, Opel, Fiat, VW, Porsche, Mercedes-Benz, Nissan, Peugeot, Chrysler, and more
Hassle-Free Organization: The color-coated adapters and molded size markings make it easy to quick identify the appropriate tool for the job. The custom molded carrying case keeps everything organized and ready for transport
Built to Withstand Everyday Use: Constructed with quality aluminum alloy, nylon, rubber, and brass, this vacuum coolant fill kit is designed for enhanced strength and consistent performance for years to come

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8.8

Orion Motor Tech

Orion Motor Tech Coolant Pressure Tester Kit, 31pc Master Coolant Vacuum Refill Kit with 23 Radiator Adapters, Radiator Cooling System Pressure Tester Kit with Vacuum Pump Vacuum Purge & Refill Tool

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Main Highlights

Comprehensive Tool Set: This 31pc coolant pressure tester kit from Orion Motor Tech comes with 22 adapters, a universal adapter, a vacuum pump, a vacuum purge & refill tool, a probe thermometer, a wrench, EU & US air intake joints, O-rings, and hoses
Leak Detection Made Easy: This cooling system pressure tester kit locates leaks in the header and expansion tanks, head gasket, radiator core, heater matrix, and water pump & pipes while ensuring air pocket-free coolant refilling
23 Adapters for Most Cars: With 23 radiator adapters, this coolant pressure tester kit is compatible with numerous vehicle makes and models such as BMW, Ford, Chrysler, Nissan, VW, Porsche, Mercedes-Benz, Opel, Fiat, Peugeot, and more
Easy Organization: Color-coded adapters and molded size markings make it easy to find the right fit fast. The custom-molded carrying case keeps everything neatly stored and ready to go
Built for Durability: Made with quality aluminum alloy, nylon, rubber, and brass, this vacuum coolant fill kit is designed to deliver reliable strength and consistent performance for years of everyday use

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8.6

KAISAL

Coolant Vacuum Refill Kit Time-saving Vacuum Coolant Refill Kit Well-sealed Cooling System Vacuum Purge & Refill Kit with Pressure Gauge, 5 Sizes Adapters, Long Coolant Filling Hose for All Vehicles

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Main Highlights

Time-saving Coolant Refill KitCoolant vacuum refill kit is used for coolant vacuum filling and vacuum pressure testing.Using this tool to replace coolant can avoid poor coolant circulation caused by air entering the radiator. It needs to be used with a air compressor(not included).By pressurizing the cooling system and then drawing the coolant into radiator, it greatly shorten the time for coolant replacement, no need for time-consuming air discharge, and reduce the risk of engine overheating.
Widely Fit for Most Types of VehiclesCoolant vacuum refill kit is equipped with 4 adapters of different sizes (OD 1.38inch, 1.57inch, 1.77inch, 2.17inch) and a universal rubber tapered plug adapter(OD range: 0.55-1.8inch), widely suitable for water tank of all kinds of vehicles, like cars, SUVs, vans and trucks. The adapter sleeve can be installed on the manifold body to seal the cooling system to help fill the coolant. Note: Please check if your radiator opening size matches the adapters.
Well-sealed & Accurate Measuring & Durable Coolant Vacuum Refill KitTee fitting, manifold body, and control valve of the cooling system vacuum purge & refill kit are made of high-quality aluminum and brass, which is corrosion resistant, high hardness and good sealing, avoiding air leakage. The pressure gauge(Range:-1~0 Bar/-76~0 cmHg) is covered with rubber, shockproof and anti-drop. Its stable pointer provide you with accurate pressure measurement. Water tank leaks can be quickly detected.
Tee Fitting for Vacuumizing & 42-inch Long Coolant Filling Hose Cooling system vacuum purge & refill kit is equipped with a brass tee fitting with American air plug, which can be connected to vacuum pump for vacuumizing. The coolant filling hose is 42-inch long, which can be inserted into the manifold to refill the coolant. The rubber coolant filling hose is transparent and easy to observe. Its suction nozzele with filter net can isolate impurities.
Easy-carry & Well-organized ToolboxCoolant vacuum refill kit comes with a blow-molded plastic toolbox with inlay storage, which can be transported conveniently and quickly, and is safer to store and easier to organize. Note: Do not replace the coolant while it is hot, please wear goggles and gloves during operation. Be careful when opening the cooling system. The cooling system may spray hot coolant under pressure.
3 Years WarrantyWe aim at trying our best to offer you the best product and services to make you unworried before/after the purchase. We promise a 3-year warranty. If you have any questions or doubts, our professional technical team will help you solve the problem within 24 hours.

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8.3

Save 9%

Orion Motor Tech

Orion Motor Tech Coolant Pressure Tester Kit, 22pc Coolant Vacuum Refill Kit with 14 Radiator Adapters, Radiator Cooling System Pressure Tester & Filler Kit with Vacuum Pump Vacuum Purge & Refill Tool

9% OffFree Shipping

Main Highlights

Comprehensive Tool Set: Orion Motor Tech's 22-piece cooling system pressure tester kit makes pressure leak testing and coolant refilling easier than ever! This all-in-one kit includes 13 adapters, a universal adapter, a vacuum pump, a vacuum purge & refill tool, a probe thermometer, a filling hose, a wrench, EU & US air intake joints, and O-rings.
Versatile Application: This cooling system pressure tester kit identifies leaks from the header and expansion tanks, head gasket, radiator core, heater matrix, and water pump & pipes, and ensures air pocket-free coolant refilling for radiators.
14 Adapters for Most Cars: With 14 different radiator adapters, this coolant pressure tester kit is compatible with numerous vehicle makes and models such as BMW, Ford, Fiat, VW, Porsche, Mercedes-Benz, Nissan, Peugeot, Chrysler, and more, ensuring you always have the right fit.
Hassle-Free Organization: The color-coated adapters and molded size markings make it easy to quick identify the appropriate tool for the job. The custom molded carrying case keeps everything organized and ready for transport.
Built to Withstand Everyday Use: Constructed with quality aluminum alloy, nylon, rubber, and brass, this vacuum coolant fill kit is designed for enhanced strength and consistent performance for years to come.

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8.1

RALBIL

Coolant Vacuum Refill Kit Quick Coolant System Refiller Kit, Universal Adapters, Precise Flow Control Coolant Vacuum Filler Coolant Vacuum Purge and Refill Tool Kit for Most Vehicles

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Main Highlights

Vacuum Type Quick Coolant RefillThe airlift coolant refill tool adopts vacuum filling. In a vacuum state, the coolant can flow fully, effectively removing air and impurities from the radiator system, and ensuring the stable operation of the radiator system. There is no need for time consuming air-bleeding, and the coolant can be filled in a short time, improving work efficiency. Prevent the engine from overheating or overcooling and ensures that the engine operates at a normal working temperature.
Universal Cone Adapter & Wide ApplicationOur coolant vacuum fill tool is equipped with a universal rubber conical adapter. The conical adapter has a small contact area and provides good sealing performance, being suitable for most car models. The coolant system refiller kit is also equipped with 4 rubber adapters of different sizes (OD 1.41", 1.53", 1.73", 2.16") to ensure compatibility with radiator necks of various dimensions. It is widely applicable to automobiles, vans, and light duty trucks, etc., making it an ideal choice for most vehicles.
Precise Flow Control & Quick Vacuum Tee FittingThe vacuum coolant refill tool is equipped with a pressure gauge with a rubber casing. It is impact resistant, drop-proof, and durable. The screen is not easily scratched, keeping the readings clear. The scale range of the pressure gauge is -1~0 Bar/-76~0 cmHg, which can monitor the tank pressure in real-time to ensure accurate coolant filling and complete the supply of the radiator system efficiently and accurately. The vacuum coolant refill kit is also equipped with a brass tee fitting for quick installation, enabling faster vacuum extraction,effective coolant distribution and regulation, and improving the efficiency of coolant filling.
Quick-Connect Brass Interface & 41.3-Inch Thickened Transparent HoseThe auto coolant vacuum refill kit has a hose connection port made of excellent brass, and the main body is made of aluminum alloy, which has high hardness and corrosion resistance. It can be quickly connected with tee fitting and hoses, saving refill time. The thickened transparent hose for coolant filling is 41.3 inches long, featuring corrosion resistance, abrasion resistance, and pressure resistance. It has good sealing performance with no leakage, maintaining a long service life. The other end of the hose is equipped with a filter, which can filter impurities to ensure the replenishment of clean coolant.
Easy To Use & StoreUse the vacuum purge coolant refill tool set to connect to the vehicle's coolant tank, then connect the air compressor(not included) to draw the vacuum, and the pressure reaches -50~-60cmHg, connect the vacuum coolant fill kit hose, the hose connector is completely submerged in the coolant level, open the valve, and the coolant will automatically replenish the coolant tank. The coolant system refiller kit includes a thick blow-molded case, it is lightweight, impact resistant, convenient for carrying and transportation, safer storage, and can firmly fix all components in place, ready for your next project.
2-Year Product ServiceWe provide 2-year after-sale service and 7 x 24 hour customer service to ensure your shopping experience. If you encounter any problems during use, please let us know. We will help you solve the problem within 24 hours.

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Best Value

8.1

Save 39%

EPAuto

EPAuto Spill Proof Radiator Coolant Filling Funnel Kit

39% OffFree Shipping

Main Highlights

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

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Our Best Overall Choice

Best Choice

9.7

Mishimoto

Mishimoto MMTL-CPT-28 Coolant Pressure Tester and Vacuum Refill Kit, 28-Piece Universal Fit, Black

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Allows you to quickly and easily diagnose leaks and other cooling system issues.Fit Type: Universal
Includes 17color-coded adapters and 3 test caps to fit most import and domestic vehicles
Includes vacuum purge and refill tools to prevent air intrusion and eliminate cooling system bleeding time
Working pressure of 0-35 psi
Mishimoto Lifetime Warranty

Show Price

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